ap rumusnya dan hasilny

Cari Persamaan Garis

m = 1/2
melalui titik (0, -1)

(y - y1) = m(x - x1)
(y -(-1)) = 1/2(x - 0)
(y + 1) = 1/2x
2(y + 1) = x
2y + 2 = x
x - 2y - 2 = 0