Tentukan persamaan garis yg melalui titik (1,4) dan (-3,-6)

y-y1 / y2-y1 = x-x1 / x2-x1
y-4 / -6-4 = x-1 / -3-1
y-4 / -10 = x-1 / -4
-4 (y-4) = -10 (x-1)
-4y+16 = -10x+10
10x+(-4y)+16-10 = 0
10x-4y+6 = 0