5.4
The Slope Formula
Slope is the ratio of the change in y
to the change in x.
y
x
change in the rise
change in the run
Calculate the slope of the line containing the
points (-2, 4) and (-5, -8) two different ways.
Calculate the slope of the line containing the points
(6, 1) and (-4, -3)
This table of values shows a linear relationship.
Calculate the slope.
x -3 0 3 6 9
y 4 4 4 4 4
This table of values shows a linear relationship.
Calculate the slope.
x -3 0 3 6 9
y 8 6 4 2 0
Find the slope of the line described by
4x - 2y = 16
Find the slope of the line described by
-3x - 5y = 30
Find the slope of the line.
Then tell what the slope represents.
Plant Growth
Height (cm)
40
30
20
10
10
20
30
40
50
60
70
Time (days)