AL14.4.notebook
1
October 14, 2010
Oct 711:36 AM
It rises from left to right It falls from left to right
It's a horizontal lineIt's a vertical line
Classifying Slope: The four major types are,
AL14.4.notebook
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October 14, 2010
Oct 2512:21 PM
Negative Slope:
Positive Slope:
Slope of a horizontal line
Slope of a vertical line
ZeroUndefined
It falls
It rises
L1
L2
AL14.4.notebook
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October 14, 2010
Oct 2512:08 PM
1. 2. 3.
AL14.4.notebook
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October 14, 2010
Oct 2512:10 PM
Positive, negative, zero or undefined?
4. 5. 6.
AL14.4.notebook
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October 14, 2010
Oct 2611:47 AM
vertical line
stays constant
it falls
it rises
Classification of Lines by Slope:
Positive Slope:
Negative Slope:
Zero Slope:
Undefined Slope: (no slope)
AL14.4.notebook
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October 14, 2010
Oct 62:18 PM
When you have the line already graphed, count the "rise over run"
When you don't have a graph, but 2 points instead, use the "Slope Formula"But it really doesn't matter whether you do it graphically or algebraically because it is still the same slope either
way
There are two methods you can use to find the slope of a line: Algebraically or Graphically
AL14.4.notebook
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October 14, 2010
Oct 131:16 PM
Algebraically or Graphically ?????????
(3, 4) (-5, 0)
Find the slope of the line that passes through the points:
Algebraically(use the formula)
AL14.4.notebook
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October 14, 2010
Oct 131:16 PM
Algebraically or Graphically ?????????
Find the slope of the line:
Graphically(count the rise over run)
AL14.4.notebook
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October 14, 2010
Oct 2512:10 PM
Use both methods: Algebraically
Finding the rate of change is the same as finding the slope:
AL14.4.notebook
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October 14, 2010
Oct 2512:10 PM
Use both methods
Finding the rate of change is the same as finding the slope:
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