Persamaan garis yang melalui titik A(1,2) dan B(5,-6 adalah...a.-2x -y-4=0b.2x+y+4=0c.2x-y-4=0 d.2x+y-4=0tolong plisss dijawab pakek cara

y-y1 / y2-y2 =x-x1 / x2-x1
y-2/-6-2 = x-1 /5-1
y-2/ -8 = x-1/4
4(y-2) = -8(x-1)
4y -8 = -8x + 8
8x + 4y -16 = 0
_____________ : 4
2x + y -4 = 0