Question

Tentukan persamaan garis lurus yg melalui (-2,4) dan (-5,2)

Answer 1

Verified answer

Bab Persamaan Garis
Matematika SMP Kelas VIII

(y - y1) / (y2 - y1) = (x - x1) / (x2 - x1)
(y - 4) / (2 - 4) = (x - (-2)) / (-5 - (-2))
(y - 4) / (-2) = (x + 2) / (-3)
-3 (y - 4) = -2 (x + 2)
-3y + 12 = -2x - 4
2x - 3y + 12 + 4 = 0
2x - 3y + 16 = 0