Answer:
-3
Step-by-step explanation:
m = (y2 - y1)/(x2 - x1)
To find the slope we need to use 2 points.
For example,
(- 2, 4), (- 1, 1)
m = (4 - 1)/(- 2-(-1)) = 3/(-1) = -3
or
(- 1, 1) , and (1, - 5)
m = (1-(-5))/(-1-1)= 6/-2 = -3
So, if we have a line , we can use any 2 points to find the slope.