text: what slope does this point-slope equation represent? y=-9-(1/2)(x+1)? y=-9-(1/2)(x+1) thanks very much for your help! y=-9-1/2(x+1)   = -9 - 1/2 x -1/2   = -1/2 x - 9 1/2  comparing with y = mx+c then m = -1/2 = slope