tolong jawab dong buat besok pake cara

jawabannya c dan d
saya pakek logika lihat aja titik garisnya

Garis tersebut melewati titik
(1, -1) dan (0, -3)

(y-y1)/(y2-y1) = (x-x1)/(x2-x1)
(y+1)/(-3+1) = (x-1)/(0-1)
(y+1)/(-2) = (x-1)/(-1)
(-1) (y+1) = (-2) (x-1)
-y-1 = -2x+2
2x - y = 2 + 1
2x - y = 3
y = -2x - 3