## Algebra: A Combined Approach (4th Edition)

$4x+y=-3$
$(-3,9)$ and $(-2, 5)$ $m=\frac{5-9}{-2-(-3)}$ $m=\frac{-4}{1}$ $m=-4$ $(y-y_1)=m(x-x_1)$ $(y-9)=(-4)(x-(-3))$ $y-9=-4x-12$ $4x+y=-3$