tolong saya kaaakkkkkkkk ......

y-y1/y2-y1 = x-x1/x2-x1
y- 2/-6-2 = x-(-3)/1-(-3)
y-2/-8 = x+3/1+3
y-2/-8 = x+3/4
4(y-2) = -8(x+3)
4y - 8 = -8x - 24
4y = -8x - 24 + 8
4y = -8x -16
y = -2x -4

gradien = -2

B. -2

m=y-y1/x-x1=2-(-6)/-3-1=8/-4=-2
gradiennya -2