Question

Yang bisa tolong jawab ini beserta caranya ya tolong

Answer 1

B. y = 2x - 3
karena melalui titik (2, 1) dan (-2, -7), caranya
y-y1/y2-y1 = x-x1/x2-x1
y-1/-7-1 = x-2/-2-2
y-1/-8 = x-2/-4
-4(y-1) = -8(x-2)
-4y+4 = -8x+16
-4y = -8x+16-4
-4y = -8x+12
____________ : (-4)
y = 2x - 3