## Algebra 1

$y=-x-1$
Line goes through (-1,0) and (0, -1) $m = (0--1)/(-1-0)$ $m = 1/-1 = -1$ $y=mx+b$ $0 = -1*-1 + b$ $0 = 1 + b$ $0-1 = 1 + b -1$ $-1 = b$ $y=-x-1$