SOLUTION: y=-1/2x-11 16x-8y=-8 tell wether the lines for each pair of equations are parallel,perpendicular,or neither

Algebra ->  Coordinate Systems and Linear Equations -> SOLUTION: y=-1/2x-11 16x-8y=-8 tell wether the lines for each pair of equations are parallel,perpendicular,or neither      Log On


   

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) About Me  (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.