tolongin saya kaak......

x1 = -2
y1 = 5

x2 = 2
y2 = -3

y - y1 / y2 - y1 = x - x1 / x2 - x1
y - 5 / (-3) - 5 = x - (-2) / 2 - (-2)
y - 5 / -8 = x + 4 / 4
- (y - 5 / 2) = x + 4
- (y - 5) = 2x + 8
-y + 5 = 2x + 8
-y = 2x + 3
y = -2x - 3

Gradien = -2