Question

Memiliki kemiringan -4 dan melalui (1,-2) tolong jawab

Answer 1

Y-y1 = m (x-x1)

y+2 = -4 (x-1)

y+2 = -4x + 4

y = -4x +4 - 2

y = -4x + 2

Answer 2

Persamaan garisnya:
y - (-2) = -4 (x - 1)
<-> y + 2 = -4x + 4
<-> y + 4x =2