Question

Find the slope of the line through each pair of points (-6,9) and (7,-9)

Answer 1

-18/13

Explanation:

(x1,y1) = (-6,9)

(x2,y2) = (7,-9)

m= y2-y1 / x2-x1 = -9-9 / 7-(-6)

-18/13