Gradien garis yang melalui titik (9,-7) dan (3,8) adalah... A.-2/5 b.-4/5 c.-1 1/4 d. -2 ½

Gradien (m)

m = ∆y/∆x

(9,-7) dan (3,8)
m = ∆y/∆x
m = (-7 - 8)/(9 - 3)
m = -15/6
m = -5/2
m = -2 1/2

m = y2-y1/x2-x1
m = 8-(-7)/3-9
m = 15/-6
m = -2 3/6
m = -2 1/2

*semoga membantu. sukses selalu ^_^