Upload
merry-hyuga-nakazawa
View
234
Download
8
Embed Size (px)
DESCRIPTION
agaag
Citation preview
A. Instrumen Penilaian Hasil Belajar
Tes tertulis
(contoh soal)
1. Rasionalkan penyebut pecahan-pebahan berikut ini!
a.
15
√48
b.
√3√5−√10
2. Sederhanakanlah bentuk akar :
72+√8
+112−√8
Palembang, Juli 2013
Guru Mata Pelajaran,
Rahma Siska Utari, S.Pd.
PEDOMAN PENILAIAN
No Uraian Skor
1.a. 15√48
=15√48
x √48√48
15√48
=15√4848
15√48
=15√16√348
15√48
=15 (4 ) √348
15√48
=60√348
15√48
=5√34
1
1
1
1
1
1
Jumlah6
1.b. √3√5−√10
= √3√5−√10
x √5+√10√5+√10
√3√5−√10
=√15+√305−10
√3√5−√10
=√15+√10−5
1
1
1
Jumlah3
2. 72+√8
+112−√8
=( 72+√8
x2−√82−√8 ) + (11
2−√8x
2+√82+√8 )
72+√8
+112−√8
=(14−7√84−8 ) + (22+11√8
4−8 )7
2+√8+11
2−√8=(14−7√8
−4 ) + (22+11√8−4 )
72+√8
+112−√8
=14−7 √8+22+11 √8−4
72+√8
+112−√8
=36+4 √8−4
72+√8
+112−√8
=−9−√4√2
72+√8
+112−√8
=−9−2√2
1
1
1
1
1
1
1
Jumlah7
Total Skor 16