No 18 bagaimana ya terimakasih

Kelas 8 Matematika
Bab Persamaan Garis

(0, -2) dan (5, 2)

m1 = (y2 - y1)/(x2 - x1)
m1 = (2 - (-2))/(5 - 0)
m1 = 4/5

Tegak lurus

m1 . m2 = -1
4/5 . m2 = -1
m2 = -1 . 5/4
m2 = -5/4

y - y1 = m . (x - x1)
y - 2 = (-5/4) . (x - 5)
4 (y - 2) = (-5) . (x - 5)
4y - 8 = -5x + 25
5x + 4y - 8 - 25 = 0
5x + 4y - 33 = 0