Question

Gradien garis yg melalui titik (9,-7)dan (3,8)adalah

Answer 1

(x1, y1) = (9,-7)
(x2, y2) = (3,8)

m = (y2-y1)/(x2-x1)
m = (8 - (-7)) / (3-9)
m = (8+7)/-6
m = 15/-6
m = -5/2