Asked by Bridget

Write equation in Standard Form
Ax + By =C
(-9, 7)(0, 3)
Answered by Reiny
slope = (7-3)/(-9-0) =- 4/9

pick one of the given points, I will use (-9,7)

y-7= (-4/9)(x+9)
times 9
9y - 63 = -4(x+9)
9y - 63 = -4x - 36
4x + 9y = 27