Gradien garis yg melalui titik A(7,-3) Dan B(-1,2) adalah...

(y-y1)/(y2-y1) = (x-x1)/(x2-x1)
(y+3)/(2+3) = (x-7)/(-1-7)
(y+3)/5 = (x-7)/-8
-8y - 24 = 5x - 35
-8y= 5x - 11
y= - ⅝x + 11/8

gradien = -⅝

semoga membantu :)

maaf kalo salah.