Question

Persamaan garis lurus b adalah..

Answer 1

Garis

Gradien garis yg melalui (-3,0) dan (0,6)
m1 = ∆y/∆x = (0 - 6)/(-3 - 0)
m1 = -6/-3
m1 = 2

Tegaklurus → m2 = -1/m1 = -1/2

Garis b dg m = -1/2 dan melalui (-3,0)
y - 0 = -1/2 (x - (-3))
2y = -x - 3
x + 2y + 3 = 0 → jawaban