Question

Tentukan persAmaan garis yg melalui (1,4) dan (-2,3) !

Answer 1

Y - y1 / y2-y1 = x-x1 / x2-x1
y-4 / 3-4 = x-1 / -2-1
y-4 / -1 = x-1 / -3
(y-4)(-3) = (x-1)(-1)
-3y+12 = -x+1
x-3y+12 = 1
x-3y+12-1 = 0
x-3y+11 =0