Linear Functions
y
- y
2
1
LESSON ONE - Slope of a Line
rise
m =
x
- x
2
1
Lesson Notes
run
Example 1
For each pair of points, graph the line and calculate the slope.
a) A line passes through (-3, 7) and (9, -1).
b) A line passes through (0, -3) and (0, 3)