persamaan garis yang melalui titik (-3,5)dan (1,-4)adalah...

Kelas 8 Matematika
Bab Persamaan Garis

(y - y1)/(y2 - y1) = (x - x1)/(x2 - x1)
(y - 5)/(-4 - 5) = (x + 3)/(1 + 3)
(y - 5)/(-9) = (x + 3)/4
4 (y - 5) = (-9) (x + 3)
4y - 20 = -9x - 27
9x + 4y - 20 + 27 = 0
9x + 4y + 7 = 0