E esmeralda New member Dec 13, 2009 #1 1. tell weather the lines for the pair of equations are a)parallel,b)perpendicular or c) neither -6x+5y=-3 15x+18y=0
1. tell weather the lines for the pair of equations are a)parallel,b)perpendicular or c) neither -6x+5y=-3 15x+18y=0