Question

Tentukan persamaan garis yang melalui titik (3,-4) dan (10,-2)

Answer 1

Y - y1 / y2 - y1 = x - x1 / x2 - x1
y + 4 / -2 + 4 = x - 3 / 10 - 3
y + 4 / 2 = x - 3 / 7
7 ( y + 4 ) = 2 ( x - 3 )
7y + 28 = 2x - 6
7y = 2x - 6 - 28
7y = 2x -34
2x - 7y - 34 = 0