Question 368739: y=-1/2x-11
16x-8y=-8
tell wether the lines for each pair of equations are parallel,perpendicular,or neither Answer by robertb(5830) (Show Source):
You can put this solution on YOUR website! The top equation has slope -1/2, while the bottom equation has slope 2. The slopes are negative reciprocals of each other, and thus the two lines are perpendicular.