Question

Use the slope formula to find the slope of the line through the points (−1,−2) and (9,−10)

Answer 1

-4/5

Explanation:

m=(y2-y1)/(x2-x1)

m=(-10-(-2))/(9-(-1))

m=(-10+2)/(9+1)

m=-8/10

simplify

m=-4/5