Use the graph below to find the slope.
Hint
Some points on the graph are (0, 15), (-3, 6), and (-5, 0).
Answer
m = 3
What is the run for this line?
The slope is undefined.
Are the lines that pass through these points parallel, perpendicular, or neither?
(-2, -5) and (3, 5)
(1, 8) and (-3, -4)
m1 = 2
m2 = 3
They are neither.
(-1, 5) and (0, 2)
(3, 1) and (0, 0)
m1 = -3
They are perpendicular.
(1, 0) and (3, -2)
(-2, -2) and (1, -5)
m1 = -1
m2 = -1
They are parallel.
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