tentukan persamaan garis yg melalui titik A(4,-10)danB(-3,5)

y - y1 / y2 - y1 = x - x1 / x2 - x1
y - (-10) / 5 - (-10) = x - 4 / -3 - 4
y + 10 / 15 = x - 4 / -7
7 (y + 10) = 15 (x - 4)
7y + (-70) = 15x - 60
7y = 15x - 60 + 70
7y = 15x + 10