Algebra VIII-sinf.I-chorak test.A-variantmatematika.uz/wp-content/uploads/2016/02/8-sinf... · #1 koordinatalar #2 simmetriya #3 abssissalar #4 ordinatalar #5 markaziy 15. x0

Algebra VIII-sinf.I-chorak test.A-variant

1. MNPQ to’g’ri to’rtburchak uchta uchining koordinatalari berilgan.M(0;0),N(0;2),P(3;2).Q uchining koordinatalarini toping.

#1(3;0) #2 (0;3) #3 (2;3) #4 (2;0) #5 (-3;0)

2.y=-2x-1 funksiya frafigi qaysi choraklarda yotadi?

#1 I,II,III #2 I,III,IV #3 I,II,IV #4 II,III #5 II,III,IV

3. To’g’ri chiziq M(0;-5) va N(1;-2) nuqtalardan o’tadi.Shu to’g’ri chiziq tenglamasini yozing.

#1 y=2x+3 #2 y=-3x+5 #3 y=5x-3 #4 y=3x-5 #5 y=4x-6

4. xning qanday qiymatida y=4

1

3

2x funksiyaning qiymati 1 ga teng bo’ladi?

#1 -8/15 #2 8/15 #3 15/8 #4 -15/8 #5 3/2

5. M(0;7) va N(7/4;0) nuqtalardan o’tuvchi to’g’ri chiziq tenglamasini yozing.

#1 y=4x+7 #2 y=-4x+7 #3 y=7

4x-1 #4 y=4x-7 #5 y=7x+7

6.6

52

32

yxyx

12

111

43

xyyx

#1 x=3, y=2 #2 x=-2, y=4 #3 x=1, y=2 #4 x=2 ,y=3 #5 x=-1, y=-3

7. x;y) sonlar juftligi 3x+7y=23 sistemaning yechimi bo’lsa,x2+y2 ni toping

5x-2y=11

#1 12 #2 9 #3 13 #4 16 #5 25

8. Tenglamani yeching va to'g'ri javobni toping. 4x=0,24

#1 4x=0,24 x=0,24:4 x=0,06#2 4x=0,24 x=0,24:4 x=0,08#3 4x=0,24 x=0,24:4 x=0,07

#4 4x=0,24 x=0,24:4 x=0,05#5 4x=0,24 x=0,24*4 x=0,96

9. Bo'lishbi bajaring: (-6x):(2x)=?

#1 -5#2 -7#3 -4#4 -3#5 -6

10. a2 -9 nimaga teng?

#1 a2 -18a+9 #2 a2 +18a-9 #3 (a-3)(a+3) #4 a2 +18a+9 #5 (a+3)(a+3)

11.Ko'paytuvchilarga ajrating: 4(x+y)+3(x-y)2

#1 (x+y)(4+3(x-y))#2 (x-y)(4+3(x-y))#3 (x-y)(4-3(x-y))#4 (x-y)(4-3(x+y))#5 (x+y)(4+3(x+y))

12. (z+5)2(z -5z+25)=?

#1 z3 +53 #2 z3 -53 #3 z3 +25#4 z3 -25#5 z3

13. Tenglamani yeching: 6.(2,3x-1)-3,5x+0,7x=0,5(x-14)

#1 -10,5 #2 10,5 #3 2/21 #4 7 #5 -2/21

14. Vertikal Oy to’g’ri chiziq … o’qi deyiladi.

#1 koordinatalar #2 simmetriya #3 abssissalar #4 ordinatalar #5 markaziy

15. x<0,y>0 koordinatalar sistemasida nimani bildiradi?

#1 IV-chorak #2 III-chorak #3 II-chorak #4 I-chorak #5 koordinatalar boshi

16. B(x;0) to’g’ri chiziq Ox o’qiga …

#1 parallel #2 perpendikulyar #3 kesishgan #4 kesishmaydigan #5 ustma-ust

17. y = kx funksiyaning grafigi k ning istalgan qiymatida koordinatalar … o’tuvchi to’g’ri chiziq bo’ladi.

#1 pastidan #2 ustidan #3 o’qlaridan #4 boshidan #5 Hammasi to’g’ri

18. OA to’g’ri chiziq koordinatalar boshidan va A( nuqtadan o’tadi. Shu to’g’ri chiziq quyidagi funksiyalardan qaysi

birining grafigi bo’ladi? y=7x , y= -14x, y=14x , y= -7x ,y= 21x

#1 y=7x #2 y= -14x, #3 y=14x , #4 y= -7x , #5 y= 21x

19. To’g’ri chiziqning Ox o’qi bilan kesishish nuqtasini toping. Y=2x-1

20. 4 ga bo’lganda 3 qoldiq, 10 ga bo’lganda 1 qoldiq chiqadigan va ikkinchi bo’linma birinchi bo’linmadan 13 ta kam

bo’ladigan natural sonni toping.

21. Funksiya P(x)= formula bilan berilgan P(10) ni toping

22. y= 2x-4 funksiyaning koordinata o’qlari bilan kesishish nuqtalarini gtoping.

23. y= kx-2 funksiyaning grafigi P(5;18) nuqtadan o’tishi ma’lum bo’lsa k ni toping.

24. To’g’ri chiziq A(0;-2) va B(2;6) nuqtalardan o’tadi. Uning tenglamasini yozing

25. y= kx+b funksiya grafigi A(0;3) va B(1;2) nuqtalardan o’tadi k va b ni toping

Algebra VIII-sinf.I-chorak test.B-variant

1. MNPQ kvadrat uchlarining koordinatalari berilgan:M(0;o),N(0;1), P(1;1),Q(1;0).Uning diagonallari kesishish nuqtasining koordinatalarini

toping.

#1 (1;1/2) #2 (1/2;1/2) #3 (1/2;2) #4 (1/2;1/3) #5 (1;1/4)

2. y=kx +4 funksiya grafigi M(1;1) nuqtadan o’tadi.k ni toping.

#1 -3 #2 3 #3 -2 #4 -4 #5 2

3. To’g’ri chiziq koordinatalar boshidan va M(-2;5) nuqtadan o’tadi.Shu to’g’ri chiziq quyidagi funksiyalardan qaysi birining grafigi bo’ladi?

1) y=-5/2x 2) y=5/2x 3) y=2/5x 4) y=-2x+5 5) y=-2x

#1 2,3 #2 3,4 #3 4,5 #4 2 #5 1

4. k va b ning qanday qiymatlarida y=kx+b to’g’ri chiziq grafigi M(0;14

1) va N( )

4

1;

2

5nuqtalardan o’tadi?

#1 k=5/2, b=3/4 #2 k=-2/5,b=4/3 #3 k=2/5, b=4/3 #4 k=-2/5, b=14

1 #5 k=1/5, b=-3/4

5.. Tenglamalar sistemasini yeching: 2x+3y=7

3x-4y=2

#1 x=2, y=1 #2 x=1, y=5/3 #3 x=1, y=1/4 #4 x=3, y=1/3 #5 x=1/3, y= -1/4

6. (x;y) sonlar juftligi 4x+3y=17

3x-4y=-6 sistemaning yechimi bo’lsa,x+y ni toping

#1 6 #2 -4 #3 4 #4 -5 #5 5

7. Ko'phad va birhad ko'payitmasini toping. (-5)(3x3 +7x2 -x)=?

#1 -15x3 -35x2 +5x #2 -15x2-37x +6x #3 -15x2-30x +9x #4 -15x3-32x2 +9x #5 -15x2 -35-9x3

8. Birhadlarni ko'paytiring: (3a)(2b)=?

#1 5ab#2 4ab#3 6ab#4 3ab#5 7ab

9. ab-b ifodada umumiy ko'paytuvchini qavsdan tashqariga chiqatring.

#1 ab-b=b(a-1) #2 ab-b=-b(-1-a)#3 ab-b=a(b-1)#4 ab-b=a(-a-1)#5 ab+b=b(ab-1)

10. (7+x)(x-7)=?

#1 x2 -49 #2 x2 +72 #3 492+x #4 x2 +49 #5 7x2 +x+72

11. Ifodani ko'phad shaklida yozing: (a+(b+c))(a-(b+c))

#1 a2 +(b-c)2 #2 a2 -(b-c)2#3 a2 -(b+c)2 #4 a2 +(b+c)2 #5 a+(b-c)

12. Tenglamani yeching: 8(x+2)-5x=-2(x+4,5)

#1 -5 #2 5 #3 6 #4 -4,5 #5 to’g’ri javob yo’q

13. Tenglamani yeching: 77

5:10=5,4:4x-1

#1 -1 #2 -1/4 #3 3/4 #4 2 #5 -2

14. M(4;8) yozuvida 4 soni nima deyiladi?

#1 koordinata #2 ordinata #3 abssissa #4 chapdagi son #5 o’ngdagi son

15. x<0, y<0, koordinatalar sistemasida nimani bildiradi?


16. Agar biror sonlar to’plamidan olingan x ning bir qiymatiga biror qoida bo’yicha y son mos qilib qo’yilgan bo’lsa, u holda shu to’plamda

… aniqlangan deyiladi.

#1 o’zgaryvchi #2 o’zgarmas #3 argument #4 funksiya #5 TJY

17. OA to’g’ri chiziq koordinatalar boshidan va A( nuqtadan o’tadi. Shu to’g’ri chiziq quyidagi funksiyalardan qaysi birining grafigi

bo’ladi? y=7x , y= -14x, y=14x , y= -7x ,y= 21x

#1 y=7x #2 y= -14x, #3 y=14x , #4 y= -7x , #5 y= 21x



#1 y=7x #2 y= -14x, #3 y=14x , #4 y= -7x , #5 y= 21x

19. To’g’ri chiziqning Ox o’qi bilan kesishish nuqtasini toping. 2y-3x+4=0

20. Ikki xonali sonning raqamlari yig’indisi 9 ga teng. Shu raqamlar bilan teskari tartibda yozilgan son berilgan sondan 27 ta ortiq. Berilgan

sonni toping.


22. x=15 da y= 3x-8 funksiyaning qiymatini toping.




Algebra VIII-sinf.I-chorak test.C-variant

1. Quyidagi nuqtalarning qaysilari y=3x+7 funksiya grafigiga tegishli:

1)(0;7);2)(1;11);#) (-1;4); 4) (-2;1) 5) (-3;2); 6) (2;10)?

#1 1,2,5 #2 2,4,6 #3 1,3,4 #4 3,4,6 #5 4,5,6

2. y=-2x+b funksiya grafigi M(-1;7) nuqtadan o’tadi.b ni toping.

#1 9 #2 5 #3 -5 #4 3 #5 to’g’ri javob yo’q 3.y=-9x+5 funksiya grafigida koordinatalari o’zaro teng bo’lgan nuqtani toping.

#1 (1/2;1/2) #2 (1/3;1/3) #3 (-3/4;;-3/4) #4 (-1/5;-1/5) #5 (2/3;2/3)

4. Funksiyalardan qaysinisining grafigi M(1;1), N(3

1;3) nuqtalardan o’tadi?

1) y=2x-1 2) y=-6x+5 3) y=-3x+4 4) y=3x-2?

#1 1 #2 2 #3 2 va 3 #4 1 va 4 #5 3

5. x/3 +y/2 =1

x+3y=0

#1 x=3, y=2 #2 x=6, y=-2 #3x=1,5 ,y=1 #4 x=2, y=4/3

6. x;y) sonlar juftligi 35

2

3

yxsistemaning yechimi bo’lsa,y-x ni toping

15

3

3

4

yx

#1 2 #2 3 #3 -3 #4 -2 #5 1

7. Ko'phadlarni ko'paytiring. (a+2)(a+3)=?

#1 a+4a+3#2 a+6a+3#3 a2 +5a+6#4 a+5a+6#5 a2+6a+5

8. Ko'phadlarni ko'paytiring: (x+y)(x+1)=?

#1 x2 +x+xy+y#2 X2 +y+x+1#3 X2 +x+y-xy#4 X2 -xy+y+x#5 X2 +xy+yx-1

9. 9x-3y+12z=?

#1 9(x-y+z) #2 3(3x-y+4z) #3 (x-y+4z)3#4 (x-y-4z)9#5 9x(x+y-z)

10. (x4 –y3 )(y3 +x4 )=?

#1 x8 –y6 #2 x6 +y6 #3 y6 –x8 #4 0 #5 y8 –x9

11. Kasrni qisqartiring:22

22

5179

2753

#1 4/7#2 3/14#3 53/79#4 53/69#5 5/11

12. Tenglamani yeching: 3(x+2)-2(x+3)=7-5(x+1)

#1 -1/3 #2 1/3 #3 -1 #4 2 #5 -2/3

13.Yo’nalishlar va uzunlik birligi tanlangan ikkita o’zaro … to’g’ri chiziq tekislikda to’g’ri burchakli koordinatalar sistemasi deyiladi.


14. M(4;8) yozuvida 8 soni nima deyiladi?

#1 koordinata #2 ordinata #3 abssissa #4 chapdagi son #5 o’ngdagi son

15. x>0, y<0 koordinatalar sistemasida nimani bildiradi?


16. Koordinata tekisligining abssissalari erkli o’zgaruvchining qiymatlariga, ordinatalari esa funksiyaning mos qiymatlariga teng bo’lgan

barcha nuqtalar to’plami funksiyaning … deyiladi.

#1 aniqlanish sohasi #2 qiymatlari to’plami #3 qiymati #4 nollari #5 grafigi



#1 y=7x #2 y= -14x, #3 y=14x , #4 y= -7x , #5 y= 21x

18. Chiziqli funksiya deb … ko’rinishdagi funksiyaga aytiladi.

#1 y= ax2+bx+c #2 y= #3 y= ax4+bx2+c #4 y= x3 #5 y= kx+b

19. To’g’ri chiziqning Ox o’qi bilan kesishish nuqtasini toping. 3y-4x-3=0

20. Kitob va dafatr birgalikda 1100 so’m turadi.Kitob narxining 5% I daftar narxining 10% I dan 25 so’m qimmat. Kitob qancha turadi?


22. y= kx+2 funksiyaning grafigi P(-7;-12) nuqtadan o’tishi ma’lum bo’lsa k ni toping.




Algebra VIII-sinf.I-chorak test.D-variant

1. Quyidagi nuqtalarning qaysilari y=-2x+5 funksiya grafigiga tegishli emas:

1)(1;-3); 2) (0;5); 3) (2;3); 4) (3;-1); 5) (-1;6); 6) (-2;9) ?

#1 2,3,4 #2 4,5,6 #3 1,2,4 #4 1,3,5 #5 1,3,6

2. y=kx+b funksiya grafigi M(0;-1) ,N(1;-5) nuqtalardan o’tadi.k va b ni toping.

#1 k=2,b=3 #2 k=3, b=2 #3 k=-4, b=-1 #4 k=2, b= -3 #5 k=-3, b= -2 3. y=-5x+3 funksiya grafigida koordinatalari yig’indisi 15ga teng bo’lgan nuqtani toping.

#1 (3;15) #2 (-3;18) #3 (-4;19) #4 (-2;17) #5 unday nuqta yo’q

4. y=-3x-5 funksiya grafigining koordinata o’qlari bilan kesishish nuqtalari koordinatalarini toping:

#1(0;-5) va(-5/3;0) #2 (0;-5) va (-3/5;0) #3 (0;5) va (3/5;0) #4 (0;5) va (5/3;0) #5 to’g’ri javob yo’q

5 . 435

38

x

yx

125

27

y

xy

#1 x=1, y=1/3 #2 x=1/2, y=-1/3 #3 x=1, y=1 #4 x=-1/8, y=-1 #5 to’g’ri javob yo’q

6. x;y) sonlar juftligi 24

34

2

76

yxyx sistemaning yechimi bo’lsa,x2-y2 ni toping

06

34

3

25

yxxy

#1 0 #2 1 #3 2 #4 -1 #5 4

7. Qaysi son qavsdan tashqariga chiqadi? 81*17-15*81=?

#1 17#2 81#3 15#4 17 va 15#5 15 va 81

8. Amallarni bajaring: (-a)3 *(2a)=?

#1 -3a#2 -2a4 #3 -4a3 #4 -2a2 #5 -3a2

9. a2 –b2 nimaga teng?

#1 (a-b)(a+b)#2 a2 +2ab+b2#3 a2-2ab+b2#4 (a+b)2a#5 a +ab+b

10. (1+a)(1-a) =?

#1 1+a2 #2 1-a2 #3 12 +a2 #4 1+a #5 1-a

11. Ifodani soddalashtiring va uning son qiymatlarini toping. (4c+2)

4

14()

4

14)(

4

1xcxcx

#1 8 #2 9#3 6#4 7#5 15

12. Tenglamani yeching: 8(x+2)-6=7-(5-8x)

#1 -2 #2 0,5 #3 1,6 #4 ildizga ega emas #5 5/8

13. Gorizontal Ox to’g’ri chiziq … o’qi deyiladi.

#1 koordinatalar #2 simmetriya #3 abssissalar #4 ordinatalar #5 markaziy

14. x>0, y>0 koordinatalar sistemasida nimani bildiradi?


15. A(0;y) to’g’ri chiziq Ox o’qiga …



#1 #2 #3 3 #4 5 #5 7



#1 y=7x #2 y= -14x, #3 y=14x , #4 y= -7x , #5 y= 21x

18. To’g’ri chiziqning Ox o’qi bilan kesishish nuqtasini toping. Y=x+1

#1 x= -1 #2 x= #3 x= #4 x=- #5 x=-3

19. To’g’ri chiziqning Ox o’qi bilan kesishish nuqtasini toping. Y=x+3

20. Kitob va dafatr birgalikda 1100 so’m turadi.Kitob narxining 5% I daftar narxining 10% I dan 25 so’m qimmat. Daftar qancha turadi?


22. y= kx+3 funksiyaning grafigi P(-6;9) nuqtadan o’tishi ma’lum bo’lsa k ni toping.




Algebra VIII-sinf.II-chorak test.A-variant

- ko’rinishidagi sonlar( bu yerda m,va n natural sonlar) … sonlar deyiladi

#1 Ratsional #2 Musbat kasr #3 Manfiy kasr #4 Natural #5 Butun

2. Ifodaning son qiymatini toping: a3b2c2, bunda a= -1 , b= -3 , c= 2

#1 -36 #2 -1 #3 -144 #4 648 #5 0

3. Ifodaning son qiymatini toping: a3b2c2, bunda a= -1 , b= 3 , c= 0

#1 -36 #2 -1 #3 -144 #4 648 #5 0

4. Tenglamani yeching: 3x-x2=0

#1 0; 2 #2 0;4 #3 Ildizi yo’q #4 0;3 #5 -4;4

5. Agar a-b ayirma 0 bo’lsa a son b soniga … bo’ladi

#1 katta #2 kichik #3 teng #4 Hammasi to’g’ri #5 TJY

6. Sonlarni taqqoslang: 0,1 va #1 > #2 = #3 < #4 Taqqoslab bo’lmaydi #5 TJY

7. a>b va c>0 bo’lsa,ac va bc uchun to’g’ri tengsizlikni toping

#1 ac<bc #2 ac bc #3 ac>bc #4 ac=bc #5 ac bc

8. Agar 4a-2b > 3a-b bo’lsa, u holda … bo’ladi

#1 a>b #2 ab #2 a-17 #3 -3 <7 #4 3<7 #5 1>

11. > tengsizlikni ikkala qismini 4 ga ko’paytirish natijasini toping.

#1 13<17 #2 -13>-17 #3 -3 <7 #4 3<7 #5 1>

12. Tengsizliklarni qo’shing: 5x+y<2x-1 va 3y-5x<14-2y

#1 x+4y< 2x-2y+15 #2 4y<2x-2y+13 #3 x+4y<15 #4 x+y<15 #5 x+y<2x-2y+15

13. Tengsizliklarni ko’paytiring: 2

#1 28> 8 #2 25<58 #3 x2-4<4 #4 12< 4x2-1 #5 10x-15<27-36x

14. Tengsizliklarni ko’paytiring: 2x-3< 3- 4x va 5<9 #1 28> 8 #2 25<58 #3 x2-4<4 #4 12< 4x2-1 #5 10x-15<27-36x

15. Tengsizlikni qanoatlantiruvchi eng kata butun sonni toping: x 24

#1 -9 #2 -8 #3 -1 #4 24 #5 -20

16.2-1

12 a

ifoda a ning istalgan qiymatida ishorasi qanday boladi?

#1 musbat#2 manfiy#3 musbat ham manfiy ham e'mas#4 -1 dan bohsqa ihtiyoriy#5 0 ga teng

17. x ning tengsizlikni qanoatlantiruvchi eng katta butun qiymatini toping.

#1 -32#2 -31 #3 -33#4 33#5 31

18. tengsizlikning manfiy butun yechimlari yigindisini toping.

#1 -9#2 -5#3 -12 #4 -6#5 -4

19. 0 tengsizlikni yeching.

20. tengsizlikni yeching.

21. Quyidagi sonlarning qaysi jufti

x+y=7

x-y= -1 tengsizliklar sistemasini qanoatlantiradi?

22.

0,2x > -1 tengsizliklar sistemasining yechimlari bo’lgan barcha butun sonlar ko’paytmasini toping.

13

x

23. tengsizlikning manfiy butun yechimlari ko’paytmasini toping.

24. 0 tengsizlikni qanoatlantiruvchi x ning eng kichik musbat butun va eng katta manfiy butun

yechimlari ko’paytmasini toping.

25. tengsizlikni butun yechimlari ko’paytmasini toping.

Algebra VIII-sinf.II-chorak test.B-variant 1. - - ko’rinishidagi sonlar( bu yerda m,va n natural sonlar) … sonlar deyiladi


2. Ifodaning son qiymatini toping: a3b2c2, bunda a= -1 , b= -1 , c= -1

#1 -36 #2 -1 #3 -144 #4 648 #5 0

3. Tenglamani yeching: x2-2x=0

#1 0; 2 #2 0;4 #3 Ildizi yo’q #4 0;3 #5 -4;4

4. Tenglamani yeching: x2-16=0

#1 0; 2 #2 0;4 #3 Ildizi yo’q #4 0;3 #5 -4;4

5. a va b sonlari orasiga >, < yoki = belgilaridan birini to’g’ri munosabat hosil bo’lishini topish sonlarni … deyiladi.

#1 darajaga ko’tarish #2 ildiz chiqarish #3 taqqoslash #4 Hammasi to’g’ri #5 TJY

6. Sonlarni taqqoslang: 0,6 va

#1 > #2 = #3 < #4 Taqqoslab bo’lmaydi #5 TJY

7. a>b va c<0 bo’lsa,ac va bc uchun to’g’ri tengsizlikni toping

#1 ac<bc #2 ac bc #3 ac>bc #4 ac=bc #5 ac bc

8. Agar 2b-3a < 3b-4a bo’lsa, u holda … bo’ladi

#1 a>b #2 a 3b-4a bo’lsa, u holda … bo’ladi

#1 a>b #2 a-17 #3 -3 <7 #4 3<7 #5 1>

11. Agar a>b va c>d bo’lsa a+c va c+d ni taqqoslang

#1 a+c v= c+d#2 a+c c+d #3 a+c < c+d #4 a+c > c+d #5 TJY

12. Tengsizliklarni qo’shing: 3x+y<2x+1 va 3y-2x<14-2x


13. Tengsizliklarni ko’paytiring: 6

#1 28> 8 #2 25<58 #3 x2-4<4 #4 12< 4x2-1 #5 10x-15<27-36x

14. Tengsizlikni qanoatlantiruvchi eng kata butun sonni toping: x< -8

#1 -9 #2 -8 #3 -1 #4 24 #5 -20

15. Tengsizlikni qanoatlantiruvchi eng kata butun sonni toping: x< -19

#1 -9 #2 -8 #3 -1 #4 24 #5 -20

16. =0 funksiyaning ildizi qaysi javobda togri korsatilgan?

#1 {0,5;3}#2 {-0,5;3} #3 x=0,5#4 x=3#5 x= -3

17.3

12

4

23

xx tengsizlikni yeching

#1 x 2 #2 x -10 #3 x -2#4 x>3 #5 togri javob keltirilmagan

18. 0 tengsizlikni yeching.

#1 (- ;1)U(2; )#2 [1;2)#3 (1;2)#4 (2;+ )#5 (- ;1]U(2;+ )

19. tengsizlikni e'ng katta va e'ng kichik butun yechimlari yigindisini toping.

20. 0< qo’sh tengsizlikni yeching

21. a ning qanday qiymatlarida

ax-y=0

x+y=10 tenglamalar sistemasi yechimga ega bo’lmaydi?

22.

0,2x > -1 tengsizliklar sistemasining yechimlari bo’lgan barcha butun sonlar yigindisini modulini toping.

13

x

23. 0 tengsizlikni qanoatlantiruvchi x ning eng kichik musbat butun yechimini toping.

24. tengsizlikni qanoatlantiruvchi eng kata musbat butun sonni toping

25. tengsizlikning eng katta va eng kichik butun yechimlariyig’indisini toping

Algebra VIII-sinf.II-chorak test.C-variant 1. - ko’rinishidagi sonlar( bu yerda m butun son va n natural son) … sonlar deyiladi


2. Ifodaning son qiymatini toping: a3b2c2, bunda a= -1 , b= -3 , c= 4

#1 -36 #2 -1 #3 -144 #4 648 #5 0

3. Tenglamani yeching:4x- x2=0

#1 0; 2 #2 0;4 #3 Ildizi yo’q #4 0;3 #5 -4;4

4. Agar a-b ayirma musbat bo’lsa a son b sonidan … bo’ladi






7. a>b va c>0 bo’lsa,ac va bc uchun to’g’ri tengsizlikni toping

#1 a:c<b:c #2 a:c b:c #3 a:c>b:c #4 a:c=b:c #5 a:c b:c

8. Agar b(2a+1) < a(2b+1) bo’lsa, u holda … bo’ladi

#1 a>b #2 a a(2b+1) bo’lsa, u holda … bo’ladi

#1 a>b #2 a-17 #3 -3 <7 #4 3<7 #5 1>

11. Agar a>b,c>d va a>0, b>0,c>0, d>0 bo’lsa ac va bd ni taqqoslang

#1 ac=bd #2 ac>bd #3 ac bd #4 ac<bd #5 ac bd

12. Tengsizliklarni qo’shing: 3x+2y<2x+1 va 3y-2x<14-2x


13. Tengsizliklarni ko’paytiring: x-2>1 va x+2>4

#1 28> 8 #2 25<58 #3 x2-4<4 #4 12< 4x2-1 #5 10x-15<27-36x

14. Tengsizlikni qanoatlantiruvchi eng kata butun sonni toping: x -8

#1 -9 #2 -8 #3 -1 #4 24 #5 -20

15. Quyidagi mulohazalardan qaysilari togri?

#1 A)a>0 va b>0 bolsa, a+b>,a*b>0,a/b>0 boladi.#2 B)a>0 va b<0 bolsa , a*b<0, a/b<0, b/a< 0 boladi.

#3 C)Ratsional son deb m/n korinishdagi songa aytiladi: bu yerda n butun,m natural#4 A va B mulohazalar togri

#5 A,B va C) mulohazalar togri 16. To’g’ri tengsizlikni tanlang

#1 a) 3ab-2<a(3b+a) #2 b) 2ab-1>2ab-2 #3 c)a(a+b)>ab-2#4 b va c javobdagi mulohazalar togri

#5 a va b togri 17. x ning qanday qiymatlarida y= 4x-3 funksiyaning qiymati musbat boladi?

#1 y>1#2 x>0 #3 x>0,75#4 x>2#5 x<0,75

18. tengsizlikni yeching.

#1 (- ;-3)U[-2;1]#2 (-2;1)#3 (- ;-3]#4 (- ;-3]U(-2;1]#5 (- ;-3)U(-2;1)

19. tengsizlikning eng katta va eng kichik butun yechimlari ayirmasini toping

20. 10(ax-1)=2a-5x-9 tenglama a ning qanday qiymatlarida yagona yechimga ega?

21. -4<2-4x< -2 qo’sh tengsizlikni yeching.

22. tengsizlikning musbat butun yechimlari yigindisini toping.

23. 0 tengsizlikni qanoatlantiruvchi x ning eng katta manfiy butun yechimini toping.

24. tengsizlikni butun yechimlari yigindisini toping.

25. Tenglamani yeching:

Algebra VIII-sinf.II chorak testi.D- variant 1. Agar ratsional sonni maxraji … sonining natural darajasidan iborat bo’lsa bu sonni o’nli kasr shaklida tasvirlash

mumkin.

#1 5 #2 12 #3 2 #4 1 #5 10

2. Ifodaning son qiymatini toping: a3b2c2, bunda a= 2 , b= -3 , c= 3

#1 -36 #2 -1 #3 -144 #4 648 #5 0

3. Tenglamani yeching: x2+4=0

#1 0; 2 #2 0;4 #3 Ildizi yo’q #4 0;3 #5 -4;4

4. Agar a-b ayirma manfiy bo’lsa a son b sonidan … bo’ladi




6. a>b, c-ixtiyoriy son bo’lsa. a+c va b+c uchun to’g’ri tengsizlikni toping

#1 a+c=b+c #2 a+c b+c #3 a+c< b+c #4 a+c b+c #5 a+c>b+c

7. a>b va c<0 bo’lsa,ac va bc uchun to’g’ri tengsizlikni toping

#1 a:c<b:c #2 a:c b:c #3 a:c>b:c #4 a:c=b:c #5 a:c b:c

8. Agar b(1-3a) > a(1-3b) bo’lsa, u holda … bo’ladi

#1 a>b #2 ab #2 a-28 tengsizlikni ikkala qismini -4 ga bo’lish natijasini toping.

#1 13<17 #2 -13>-17 #3 -3 <7 #4 3<7 #5 1>

11. Tengsizliklarni qo’shing: 3x+y<2x+1 va 3y-2x<14-2y


12. Tengsizliklarni qo’shing: 3x+y<2x+1 va y-2x<14-2y


13. Tengsizliklarni ko’paytiring: 4<2x+1 va 3<2x-1

#1 28> 8 #2 25<58 #3 x2-4<4 #4 12< 4x2-1 #5 10x-15<27-36x

14. Tengsizlikni qanoatlantiruvchi eng kata butun sonni toping: x< 0

#1 -9 #2 -8 #3 -1 #4 24 #5 -20

15. Ifodaning son qiymatini toping a*b2*c3, bynda a= -1,b= -3,c=2

#1 -24#2 -36#3 36#4 24 #5 -72

16. 3x+y <2x+1 va 3y-2x<14-2a tengsizliklarni qoshishdan hosil boladigan tengsizlik qaysi javobda togri

korsatilgan?

#1 4y+x<4ax+15#2 4y+x<2x-2a+15#3 4y+x<2x+2a+15#4 4ay+x>4x-15#5 5y+x<4y+x

17.

0,2x > -1 tengsizliklar sistemasining yechimlari bo’lgan barcha butun sonlarni toping.

13

x

#1 -4 #2 -3 va -4#3 -3 dan kichik sonlar#4 -4 dan kichik sonlar#5 -3 dan katta sonlar

18. tengsizlikni yeching

#1 (1;2]#2 [1;2)#3 [1;2]#4 (- ;1)#5 (- ;1] 19. tengsizlikni yeching

20. y-3x= 55

5x+2y=11 , x2+y2 ning qiymatini toping

21.

0,2x > -1 tengsizliklar sistemasining yechimlari bo’lgan barcha butun sonlar yig’indisini toping.

13

x

22. tengsizlikning musbat butun yechimlari ko’paytmasini toping.

23. 0 tengsizlikni qanoatlantiruvchi x ning eng kichik musbat butun va eng katta manfiy butun yechimlari

yig’indisini toping.

24. tengsizlikni e'ng katta va e'ng kichik butun yechimlari ko’paytmasini toping.


Algebra VIII-sinf.III-chorak test.A-variant 1. a sonining arifmetik kvadrat ildizi deb, … a ga teng bo’lgan nomanfiy songa aytiladi

#1 kubi #2 kvadrati #3 4-darajasi #4 ildizi #5 10-darajasi

2. Ifodani soddalashtiring: 3 80345220

#1 35 #2 5 #3 6 55 #4 12 5 #5 4 145

3. Ifodani soddalashtiring: 23

6

23

6

#1 23 #2 12( 23 ) #3 12 3 #4 12 2 #5 -12 2

4. Ikki sonning yig’indisi 35 ga ,ularning ayirmasi esa 31 ga teng.Shu sonlarning ko’paytmasi nechaga teng?

#1 31 5 #2 1 #3 3135 #4 6 #5 35 3

5. x2+4x-5=0 tenglamaning ildizlari x1 va x2 bo'lsa, + ning qiymatini toping

#1 124#2 -125#3 130#4 5#5 -124

6. p ning qanday qiymatlarida x2+px+15 =0 tenglamaning ildizlaridan biri 5 ga teng bo'ladi?

#1 -4#2 4#3 -2#4 2 #5 -8

7. =x+2 tenglamaning nechta ildizi bor?

#1 3 #2 2 #3 1#4 ildizi yo'q#5 cheksiz ko'p

8. 5x2-8x+1=0 tenglamaning ildizlari yigindisini toping.

#1 #2 1#3 -4 #4 #5 8

9. Tenglamani yeching: 3x2=48

#1 x=4 #2 x=-4 #3 x1,2= 4 #4 x=8 #5 x=16

10. Kvadrat tenglamani yeching: x2+7x+6=0

#1 x1=1, x2= -1 #2 x1= -6, x2=-1 #3 x1= -7, x2= -6 #4 x1= -1, x2= -5 #5 11. x2+6x+q=0 kvadrat tenglamaning x1 va x2 ildizlari x2=2x1 shartni qanoatlantiradi.x1 ni toping

#1 8 #2 -2 #3 -4 #4 -6 #5 10

12. x2+px+3=0 kvadrat tenglamaning x1 va x2 ildizlari x2=3x1 shartni qanoatlantiradi.p ni toping.

#1 #2 #3 #4 10 #5 3

13. x2+px+3=0 kvadrat tenglamaning x1 va x2 ildizlari x2=3x1 shartni qanoatlantiradi. Ildizlari ko’paytmasini toping

#1 #2 #3 #4 10 #5 3

14. 3x2-8x-15=0 tenglama berilgan.x1 va x2 ildizlari bo’lsa ni toping

#1 - #2 17 #3 3 #4 32 #5

15. ax2+c=0, c 0, c<0, chala kvadrat tenglama ildizlari formulasini toping

#1 x=0 #2 x1,2= #3 #4 #5 x= -

16. ax2=0, a ko’rinishidagi kvadrat tenglama ildizlari formulasini toping

#1 x=0 #2 x1,2= #3 #4 #5 x= -

17. Ildizlari -1 va 5 bo’lgan kvadrat tenglama tuzing:

#1 x2-8x-20=0, #2 x2-12x+32=0 #3 x2-4x-5=0 #4 x2+7x+12=0 #5 x2-2x-15=0

18. Kvadrat uchhadni ko’paytuvchilarga ajrating: x2+4x-5

#1 (x-2)(x-3) #2 (x-1)(x+5) #3 (x-3)(x+8) #4 (x+0,5)(x-1) #5 (x+7)(x-6)

19. x2+5x-6=0 kvadrat tenglamani kata ildizini kichik ildiziga nisbatini toping

20. x2-px+8=0 tenglamaning ildizlaridan biri 4 ga teng.Bu tenglamaning barcha koyeffitsiyentlari ko’paytmasini

toping

21. 2x2+x-a=0 tenglamaning ildizlaridan biri 2 ga teng. a ni toping

22. x2+px+q2=0 (q 0) tenglama ning qanday qiymatlarida tenglama bitta ildizga ega?


24. x2+2x+1=0 tenglamaning ildizlari x1 va x2 bo'lsa - ni hisoblang

25. (x-1)4-5(x-1)2 +4=0 tenglamaning ildizlari ko’paytmasini toping:

Algebra VIII-sinf.III-chorak test.B-variant

1. Hisoblang: (2)327

#1 48 #2 30 #3 18 #4 9 #5 39

2. Hisoblang: 6

14

6

18

#1 36

32 #2 32

6

1 #3 2

6

1 #4 4

6

1 #5 5

6

5

3. Tenglamani yeching: 5)5( 2 xx

#1 x 5 #2 x 5 #3 x<5 #4 x 5 #5

4. Hisoblang: 3849

#1 7+2 6 #2 3 6 +1 #3 4 13 #4 3 13 #5 1-4 3

5. 2x2+x-a=0 tenglamaning ildizlaridan biri 2 ga teng. Ikkinchi ildizni toping

#1 2,5#2 1,5 #3 -2,5 #4 -1,5#5 -2

6. a ning qanday qiymatlarida ax2-(a+1)x+2a-1=0 tenglama bitta ildizga ega bo'ladi?

#1 -1; #2 0;-1 #3 1;- #4 - ;0;1#5 -1;0;

7. tenglamaning ildizlari nechta?

#1 2#2 4 #3 1 #4 3#5 0

8. x6-65x3=-64 tenglama haqiqiy ildizlari yigindisini toping.

#1 5 #2 65 #3 64#4 16#5 1

9. Tenglamani yeching: x2=5x

#1 #2 x=2,5 #3 x=0 #4 x1=0, x2=5 #5 x=5

10. Kvadrat tenglamani yeching: x2+x+1=0

#1 x1=0, x2=1 #2 x1,2=2

3 #3 #4 x1,2= 3 #5 x1,2=-

2

1

11. x2+6x+q=0 kvadrat tenglamaning x1 va x2 ildizlari x2=2x1 shartni qanoatlantiradi.x2 ni toping

#1 8 #2 -2 #3 -4 #4 -6 #5 10

12. x2+px+3=0 kvadrat tenglamaning x1 va x2 ildizlari x2=3x1 shartni qanoatlantiradi. x1 ni toping

#1 #2 #3 #4 10 #5 3


#1 - #2 17 #3 3 #4 32 #5


#1 - #2 17 #3 3 #4 32 #5

15. x2+px+q=0, keltirilgan kvadrat tenglama ildizlari formulasini toping

#1 x=0 #2 x1,2= #3 #4 #5 x= -

16. Agar x1 va x2 x2+px+q=0 tenglamaning ildizlari bo’lsa, Viyet teoremasi harfiy ifodasini toping:

#1 x1+x2=p, x1*x2=q #2 x1+x2= p, x1*x2= -q #3 x1+x2= -p, x1*x2=q #4 x1+x2= -p, x1*x2= -q #1 x1-x2=p, x1*x2=q

17. Ildizlari -4 va -3 bo’lgan kvadrat tenglama tuzing:

#1 x2-8x-20=0, #2 x2-12x+32=0 #3 x2-4x-5=0 #4 x2+7x+12=0 #5 x2-2x-15=0

18. Kvadrat uchhadni ko’paytuvchilarga ajrating: x2+5x-24

#1 (x-2)(x-3) #2 (x-1)(x+5) #3 (x-3)(x+8) #4 (x+0,5)(x-1) #5 (x+7)(x-6)

19. x2+5x-6=0 kvadrat tenglamani ildizlari yig’indisini toping

20. x2-px+8=0 tenglamaning ildizlaridan biri 4 ga teng.Bu tenglamada p ni toping

21. 2x2+x-a=0 tenglamaning ildizlaridan biri 2 ga teng. Bu tenglamaning barcha koyeffitsiyentlari ko’paytmasini

toping

22. x2+px+q2=0 (q 0) tenglama ning qanday qiymatlarida haqiqiy ikkita ildizga ega?

23. p ning qanday qiymatlarida x2+px+16 =0 tenglamaning ildizlaridan biri -2 ga teng bo'ladi?


25. Kasrni qisqartiring:

Algebra VIII-sinf.III-chorak test.C-variant

1. Hisoblang: ( )710)(710

#1 10 #2 3 #3 7 #4 -7 #5 70

2. Hisoblang: 22501,0196

#1 21 #2 1,4 #3 1,5 #4 210 #5 TJY

3. Tenglamani yeching: xx 7)7( 2

#1 #2 x 7 #3 x 7 #4 x 7 #5 x 7

4. x2+5x-6=0 kvadrat tenglamani kichik ildizini katta ildiziga nisbatini toping

#1 6#2 -6#3 #4 - #5 1

5. x2-px+8=0 tenglamaning ildizlaridan biri 4 ga teng.Bu tenglamaning barcha koyeffitsiyentlari yigindisini toping

#1 3#2 2#3 15#4 14#5 4

6. m ning qanday qiymatlarida x2-4mx+48=0 tenglamaning ildizlaridan biri bosh qasidan 3 marta kichik bo'ladi?

#1 2#2 -4;4#3 -3;3 #4 4 #5 -2;2

7. =0 tenglamani yeching

#1 1#2 1; #3 #4 5#5

8.Tenglamani yeching: x2=64

#1 x1,2= 8 #2 x=8 #3 x=-8 #4 x=32 #5

9. Tenglamani yeching: x2+9x=0

#1 x1,2= -9 #2 x1,2= 3 #3 x1,2=9 #4 x1=9, x2=0 #5 x1=0, x2= -9

10. Kvadrat tenglamani yeching: x2-7x+10=0

#1 x1=-2, x2=2 #2 x1=-5, x2=2 #3 x1=5, x2=1 #4 x1=2, x2=5 #5 TJY

11. x2+6x+q=0 kvadrat tenglamaning x1 va x2 ildizlari x2=2x1 shartni qanoatlantiradi.Ildizlari yig’indisini toping

#1 8 #2 -2 #3 -4 #4 -6 #5 10

12. x2+px+3=0 kvadrat tenglamaning x1 va x2 ildizlari x2=3x1 shartni qanoatlantiradi. x2 ni toping

#1 #2 #3 #4 10 #5 3


#1 - #2 17 #3 3 #4 32 #5

14. ax2+bx+c=0, a,b , c berilgan sonlar ,a , x esa noma’lum ko’rinishidagi tenglama…tenglama deyiladi

#1 Bikvadrat #2 kvadrat #3 chiziqli #4 trigonometrik #5 kasr-ratsional

15. ax4+bx+c=0, a,b , c berilgan sonlar ,a , x esa noma’lum ko’rinishidagi tenglama…tenglama deyiladi

#1 Bikvadrat #2 kvadrat #3 chiziqli #4 trigonometrik #5 kasr-ratsional

16. Ildizlari 10 va -2 bo’lgan kvadrat tenglama tuzing:

#1 x2-8x-20=0, #2 x2-12x+32=0 #3 x2-4x-5=0 #4 x2+7x+12=0 #5 x2-2x-15=0

17. Ildizlari 5 va -3 bo’lgan kvadrat tenglama tuzing:

#1 x2-8x-20=0, #2 x2-12x+32=0 #3 x2-4x-5=0 #4 x2+7x+12=0 #5 x2-2x-15=0

18. Kvadrat uchhadni ko’paytuvchilarga ajrating: 2x2-x-1

#1 (x-2)(x-3) #2 (x-1)(x+5) #3 (x-3)(x+8) #4 (x+0,5)(x-1) #5 (x+7)(x-6)

19. x2+5x-6=0 kvadrat tenglamani ildizlari ko’paytmasini toping

20. x2-px+8=0 tenglamaning ildizlaridan biri 4 ga teng.Bu tenglamaning ikkinchi ildizini toping

21. 2x2+x-a=0 tenglamaning ildizlaridan biri 2 ga teng. Bu tenglamaning barcha koyeffitsiyentlari yig’indisini

toping


23. x2+2x+1=0 tenglamaning ildizlari x1 va x2 bo'lsa + ni hisoblang

24. Tenglamani yeching: (x-1)4-5(x-1)2 +4=0


Algebra VIII-sinf.III chorak testi. D-variant

1. Ifodani soddalashtiring: 122

172120

2

1

6

5

#1 30 #2 3 30 #3 2 30 #4 10,5 #5 to’g’ri javob yo’q

2. Ifodani soddalashtiring: (3 )22(:)502,01898

#1 -10 #2 10 #3 10 2 #4 -10 2 #5 2

10

3. Hisoblang: 205

5

204

4

#1 1 #2 2029

9

#3

29

9 #4 2 #5 9

4. x1 va x2 x2+x-5 tenglamaning ildizlari ekanligi ma'lum. + ning qiymatini toping.

#1 10#2 12#3 11#4 9#5 8

5. x2+px+q2=0 (q 0) tenglama ning qanday qiymatlarida haqiqiy ildizlarga ega emas?

#1 [0;2]#2 (0;2]#3 [-2;2]#4 (-2;0) #5 (-2;2)


#1 1#2 3#3 4 #4 0 #5 -2

7. y4-2y2-8=0 tenglamaning haqiqiy ildizlari ko'paytmasini aniqlang.

#1 4#2 16#3 -16 #4 -4 #5 64

8. Tenglamani yeching: x2-11=0. #1 x= 11 #2 x1,2= 11 #3 x=- 11 #4 x=2

11 #5 TJY

9. Kvadrat tenglamani yeching: x2+x-6=0

#1 x1=-3, x2=2 #2 x1=3, x2= -2 #3 x1,2= 6 #4 x1=-2, x2= -3 #5 x1,2= 3

10. x2+6x+q=0 kvadrat tenglamaning x1 va x2 ildizlari x2=2x1 shartni qanoatlantiradi.q ni toping

#1 8 #2 -2 #3 -4 #4 -6 #5 10

11. x2+6x+q=0 kvadrat tenglamaning x1 va x2 ildizlari x2=2x1 shartni qanoatlantiradi.Ildizlari ko’paytmasini toping

#1 8 #2 -2 #3 -4 #4 -6 #5 10

12. x2+px+3=0 kvadrat tenglamaning x1 va x2 ildizlari x2=3x1 shartni qanoatlantiradi. Ildizlari yig’indisini toping

#1 #2 #3 #4 10 #5 3


#1 - #2 17 #3 3 #4 32 #5

14. Umumiy kvadrat tenglama ildizlari formulasini toping:

#1 x=0 #2 x1,2= #3 #4 #5 x= -

15. x2+px+q=0, p,q berilgan sonlar , x esa noma’lum ko’rinishidagi tenglama…tenglama deyiladi

#1 Bikvadrat #2 kvadrat #3 chiziqli #4 keltirilgan kvadrat #5 kasr-ratsional

16. Ildizlari 4 va 8 bo’lgan kvadrat tenglama tuzing:

#1 x2-8x-20=0, #2 x2-12x+32=0 #3 x2-4x-5=0 #4 x2+7x+12=0 #5 x2-2x-15=0

17. Kvadrat uchhadni ko’paytuvchilarga ajrating: x2-5x+6

#1 (x-2)(x-3) #2 (x-1)(x+5) #3 (x-3)(x+8) #4 (x+0,5)(x-1) #5 (x+7)(x-6)

18. Kvadrat uchhadni ko’paytuvchilarga ajrating: x2+x-42

#1 (x-2)(x-3) #2 (x-1)(x+5) #3 (x-3)(x+8) #4 (x+0,5)(x-1) #5 (x+7)(x-6)

19. x2+5x-6=0 kvadrat tenglamani kichik ildizini katta ildiziga nisbatiga qarama-qarshi sonni toping

20. x2-px+8=0 tenglamaning ildizlaridan biri 4 ga teng.Bu tenglamaning kata ildizini kichik ildiziga nisbatini toping

21. 2x2+x-a=0 tenglamaning ildizlaridan biri 2 ga teng. Bu tenglamaning kata ildizini kichik ildiziga nisbatini

toping


23. x2+2x+1=0 tenglamaning ildizlari x1 va x2 bo'lsa x1+x2 ni hisoblang

24. (x-1)4-5(x-1)2 +4=0 tenglamaning ildizlari yig’indisini toping:


Algebra VIII-sinf.IV-chorak test.A-variant 1.Sonning aniq qiymati 1,483, taqribiy qiymati 1,48 bo’lsa,yaqinlashish xatoligini toping:

#1 0,003 #2 0,007 #3 1,005 #4 - 0,007 #5 0,002

2.Sonning aniq qiymati 1,283, taqribiy qiymati 1,281 bo’lsa,yaqinlashish xatoligini toping:

#1 0,003 #2 0,007 #3 1,005 #4 - 0,007 #5 0,002

3. Sonning aniq qiymati , taqribiy qiymati bo’lsa,yaqinlashish absolyut xatoligini toping:

#1

4. Qo’sh tengsizlik ko’rinishida yozing: a= -1,8 0,4

#1 -2<a<-1,6 #2 -2,1 5,1 a #3 -2,2 4,1 a #4 -2,3 3,1 a #5 -2,4

5. Qo’sh tengsizlik ko’rinishida yozing: a=2,61 0,01

#1 2,7 a 2,72 #2 2,6<a 62,2 #3 2,9 #4 2,2 22,2 a #5 1,99 a

6. ni 0,01 gacha aniqlikda o’nli kasr ko’rinishida yozing:

#1 0,13 #2 0,32 #3 0,42 #4 0,47 #5 0,53


#1 0,13 #2 0,32 #3 0,42 #4 0,47 #5 0,53


#1 0,357 #2 0,214 #3 0,643 #4 0,308 #5 0,185

9. Xonaning uzunligi (10 0,02) m ga teng.O’lchashning nisbiy xatoligini aniqlang:

#1 4% #2 5% #3 2% #4 8% #5 1,25%

10. Ikki qishloq orasidagi masofa (100 2)km ga teng. O’lchashning nisbiy xatoligini aniqlang:

#1 1% #2 2% #3 3% #4 4% #5 5%

11. Sonni yuzdan birgacha yaxlitlang.Yaxlitlashning nisbiy xatoligini toping: 5,7635

#1 5,76; 0,061% #2 4,46; 0,078% #3 3,71; 0,094% #4 2,16; 0,139% #5 2,29; 0,179%


#1 5,76; 0,061% #2 4,46; 0,078% #3 3,71; 0,094% #4 2,16; 0,139% #5 2,29; 0,179%

13. Kvadrat tenglamani yeching: 6x2-5x+1=0

#1 x1=0, x2= - #2 x= #3 x1= - #4 x= - #5 x1=

14. Tenglamalar sistemasini yeching: x+y=5

xy=4

#1 x= -4, y= -1 #2 x= 1 , y= -1 #3 x=4, y= -1 #4 (1;4) va (4;1) #5

15. Ikki sonning ayirmasi 3 ga , ularning ko’paytmasi 28 ga teng.Shu sonlardan kattasini toping.

#1 8 #2 4 #3 7 #4 11 #5 65

16. To’g’ri to’rtburchakning perimetri 30 m ga, yuzi esa 56 m2 ga teng .Uning bo’yini toping.

#1 5 #2 6 #3 3 #4 8 #5 1

17. Tenglamani yeching: x2=7

#1 x= #2 x= #3 x=0, x= -5 #4 x=0, x=8 #5 x=0, x= 12


#1 x= #2 x= #3 x=0, x= -5 #4 x=0, x=8 #5 x=0, x= 12


20. Tenglamani yeching: x2-1,8x-3,6=0

21. Tenglamani yeching: 2x2+x-3=0

22. Tenglamani yeching: 2(x-2)(x+2)=0


24. Tenglamani yeching: x2+20x+100=0

25. Bronza tayyorlash uchun 17 qism mis, 2 qism rux va bir qism qalayi olinadi. 400 kg bronza olish uchun

yuqoridagi metallarning har biridan qanchadan olish kerak?

Algebra VIII-sinf.IV-chorak test.B-variant

1.Sonning aniq qiymati 1,387, taqribiy qiymati 1,38 bo’lsa,yaqinlashish xatoligini toping:

#1 0,003 #2 0,007 #3 1,005 #4 - 0,007 #5 0,002 2. Sonning aniq qiymati , taqribiy qiymati bo’lsa,yaqinlashish xatoligini toping:

#1


#1


#1 -2<a<-1,6 #2 -2,1 5,1 a #3 -2,2 4,1 a #4 -2,3 3,1 a #5 -2,4


#1 2,7 a 2,72 #2 2,6<a 62,2 #3 2,9 #4 2,2 22,2 a #5 1,99 a


#1 0,13 #2 0,32 #3 0,42 #4 0,47 #5 0,53


#1 0,357 #2 0,214 #3 0,643 #4 0,308 #5 0,185


#1 0,357 #2 0,214 #3 0,643 #4 0,308 #5 0,185


#1 4% #2 5% #3 2% #4 8% #5 1,25%


#1 1% #2 2% #3 3% #4 4% #5 5%


#1 5,76; 0,061% #2 4,46; 0,078% #3 3,71; 0,094% #4 2,16; 0,139% #5 2,29; 0,179%

12. Sonni o’ndan birgacha yaxlitlang.Yaxlitlashning nisbiy xatoligini toping: 2,2941

#1 2,3; 2,6% #2 2,2; 2,5% #3 2,3; 0,3% #4 2,3; 0,4% #5 2,3; 0,26%

13. Kvadrat tenglamani yeching: 12x2+7x+1=0

#1 x1= #2 x1= - #3 x1= #4 x= #5 x=

14. Tenglamalar sistemasini yeching: x+y=4

x2-y2= 8

#1 x= 2, y= -2 #2 x=5, y= -1 #3 x= 4, y=0 #4 x=1, y= 3 #5 x=3, y=1

15. Ikki sonning ayirmasi 3 ga , ularning ko’paytmasi 28 ga teng.Shu sonlar yig’indisini toping.

#1 13 #2 4 #3 7 #4 11 #5 65

16. To’g’ri to’rtburchakning perimetri 30 m ga, yuzi esa 54 m2 ga teng .Uning enini toping.

#1 5 #2 6 #3 3 #4 8 #5 1

17. Tenglamani yeching: x2=11

#1 x= #2 x= #3 x=0, x= -5 #4 x=0, x=8 #5 x=0, x= 12

18. Tenglamani yeching: 1,5x-4x2=6,3x-x2

#1 y= #2 x=0, x= 9 #3 x=0 , x= -10 #4 y=0, y=9 #5 x=0, x= -1,6


20. Tenglamani yeching: 2x2+3x-2=0

21. Tenglamani yeching: 20+8x-x2=0

22. Tenglamani ildizi nechta: (x-3)(x-2)=7x-1


24. Tenglamani yeching: x2+18x-208=0

25. Bir maydondan 450 t, yuzi undan 5 ga kam bo’lgan ikkinchi maydondan 400 t kartoshka yig’ishtirib olindi. Agar

ikkinchi maydondagi hosildorlik birinchi maydondagiga qaraganda 2 tonna yuqori bo’lgan bo’lsa, har qaysi

maydonning hosildorligini aniqlang.

Algebra VIII-sinf.IV chorak test.C-variant 1.Sonning aniq qiymati 1,405, taqribiy qiymati 1,4 bo’lsa,yaqinlashish xatoligini toping:

#1 0,003 #2 0,007 #3 1,005 #4 - 0,007 #5 0,002


#1


#1 -2<a<-1,6 #2 -2,1 5,1 a #3 -2,2 4,1 a #4 -2,3 3,1 a #5 -2,4


#1 -2<a<-1,6 #2 -2,1 5,1 a #3 -2,2 4,1 a #4 -2,3 3,1 a #5 -2,4


#1 2,7 a 2,72 #2 2,6<a 62,2 #3 2,9 #4 2,2 22,2 a #5 1,99 a


#1 0,13 #2 0,32 #3 0,42 #4 0,47 #5 0,53


#1 0,357 #2 0,214 #3 0,643 #4 0,308 #5 0,185


#1 4% #2 5% #3 2% #4 8% #5 1,25%


#1 4% #2 5% #3 2% #4 8% #5 1,25%


#1 1% #2 2% #3 3% #4 4% #5 5% 11. Sonni yuzdan birgacha yaxlitlang.Yaxlitlashning nisbiy xatoligini toping: 3,7135

#1 5,76; 0,061% #2 4,46; 0,078% #3 3,71; 0,094% #4 2,16; 0,139% #5 2,29; 0,179%

12. Sonni standart shaklida yozing: 234,087

#1 2,34087*102 #2 23,4087*10 #3 2,4*102 #4 23,5*102 #5 2,34*10-2

13. Tenglamani yeching: x4-5x2+4=0

#1 x1,2= #2 x1,2= #3 x1=1, x2=4 #4 x1,2= #5

14. Ikki sonning ayirmasi 3 ga , ularning ko’paytmasi 28 ga teng.Shu sonlarni toping.

#1 7 va 4 #2 8 va 5 #3 7 #4 11 #5 65

15. Ikki sonning ayirmasi 3 ga , ularning ko’paytmasi 28 ga teng.Shu sonlar kvadratlari ko’paytmasini toping.

#1 49 #2 4 #3 7 #4 11 #5 65

16. To’g’ri to’rtburchakning perimetri 32 m ga, yuzi esa 55 m2 ga teng .Uning bo’yi endian qancha uzun.

#1 5 #2 6 #3 3 #4 8 #5 1

17. Tenglamani yeching: x2+5x=0

#1 x= #2 x= #3 x=0, x= -5 #4 x=0, x=8 #5 x=0, x= 12

18. Tenglamani yeching: 11y-15=(y+5)(y-3)

#1 y= #2 x=0, x= 9 #3 x=0 , x= -10 #4 y=0, y=9 #5 x=0, x= -1,6


20. Tenglamani yeching: 4x2-x-14=0

21. Tenglamani yeching: 2x2-9x=35



24. Tenglamani yeching: x(x-15)=3(108-5x)

25. Oddiy kasrning surati maxrajidan 11 ta kata . Agar shu kasrning suratiga 5, maxrajiga 12 qo’shilsa, berilgan

kasrdan uch marta kichik kasr hosil bo’ladi.Shu kasrni toping.

Algebra VIII-sinf.IV chorak test. D-variant 1.Sonning aniq qiymati 1,453, taqribiy qiymati 1,46 bo’lsa,yaqinlashish xatoligini toping:

#1 0,003 #2 0,007 #3 1,005 #4 - 0,007 #5 0,002


#1


#1 -2<a<-1,6 #2 -2,1 5,1 a #3 -2,2 4,1 a #4 -2,3 3,1 a #5 -2,4


#1 2,7 a 2,72 #2 2,6<a 62,2 #3 2,9 #4 2,2 22,2 a #5 1,99 a

5. Qo’sh tengsizlik ko’rinishida yozing: a=2 0,01

#1 2,7 a 2,72 #2 2,6<a 62,2 #3 2,9 #4 2,2 22,2 a #5 1,99 a


#1 0,13 #2 0,32 #3 0,42 #4 0,47 #5 0,53


#1 0,357 #2 0,214 #3 0,643 #4 0,308 #5 0,185


#1 4% #2 5% #3 2% #4 8% #5 1,25%


#1 1% #2 2% #3 3% #4 4% #5 5%


#1 1% #2 2% #3 3% #4 4% #5 5%


#1 5,76; 0,061% #2 4,46; 0,078% #3 3,71; 0,094% #4 2,16; 0,139% #5 2,29; 0,179%

12. Sonni standart shaklida yozing: 0,00000078

#1 7,8*107 #2 7,8*10-7 #3 78*10-7 #4 0,78*10-5 #5 0,078*105

13. Tenglamani yeching: x4-4x2-5=0

#1 x1,2= - #2 x1,2=5 #3 x1,2= #4 #5 x1,2=

14. Ikki sonning ayirmasi 3 ga , ularning ko’paytmasi 28 ga teng.Shu sonlardan kichigini toping.

#1 2 #2 4 #3 7 #4 11 #5 65


#1 5 #2 6 #3 3 #4 8 #5 1


#1 5 #2 6 #3 3 #4 8 #5 1


#1 x= #2 x= #3 x=0, x= -5 #4 x=0, x=8 #5 x=0, x= 12

18. Tenglamani yeching: 3x(x+2)=2x(x-2)

#1 y= #2 x=0, x= 9 #3 x=0 , x= -10 #4 y=0, y=9 #5 x=0, x= -1,6

19. Tenglamani yeching: x2+3,5x-2=0

20. Tenglamani yeching: x2-x-2=0

21. Tenglamani yeching: (x+5)(x-3)=2x-7


23. Tenglamani yeching: x2-12x+11=0

24. Tenglamani yeching: (x-3)2+(x+4)2-(x-5)2=17x+24

25. Sport musobaqalarida VII-sinf o’quvchisi 60 m masofani 9 s da, X-sinf o’quvchisi esa 100 m masofani 14,8 s da

bosib o’tdi. O’quvchilar o’zgarmastezlik bilan chopganlar deb hisoblab, kim tezroq yugurganini aniqlang.

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Algebra VIII-sinf.I-chorak test.A-variantmatematika.uz/wp-content/uploads/2016/02/8-sinf... · #1 koordinatalar #2 simmetriya #3 abssissalar #4 ordinatalar #5 markaziy 15. x0