Understanding Slope

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Understanding Slope
COURSE 3 LESSON 3-3
Using coordinates, find the slope of the line
between P (2, 3) and Q (1, 1).
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Understanding Slope
COURSE 3 LESSON 3-3
Find the slope of the line in the graph.
Describe how one variable changes in relation to
the other.
The cost increases by 25 for every 100 miles
traveled.
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3
Understanding Slope
COURSE 3 LESSON 3-3
Find the slope of each line. State whether the
slope is zero or undefined.
a. line k
b. line p
Division by zero is undefined. The slope of a
vertical line is undefined.
The slope of a horizontal line is zero.
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4
Understanding Slope
COURSE 3 LESSON 3-3
The data in the table below are linear. Use the
data to find the slope. Then graph the data and
the line.
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5
Understanding Slope
COURSE 3 LESSON 3-3
1. Find the slope of each line. a. line
s b. line t 2. The data in the table below
is linear. Find the slope. x 2 4 5
9 y 6 12 15 27
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3
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