SOLUTION: Determine whether the graphs of the equations are parallel lines, perpendicular lines, or neither. 3x - 8y = 20 32x + 12y = 20

Algebra ->  Linear-equations -> SOLUTION: Determine whether the graphs of the equations are parallel lines, perpendicular lines, or neither. 3x - 8y = 20 32x + 12y = 20      Log On


   

Question 283406: Determine whether the graphs of the equations are parallel lines, perpendicular lines, or neither.
3x - 8y = 20
32x + 12y = 20
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
the equations are in the form ax+by=c
where the slope is -a/b
find the slopes
multiply the slopes if that is -1 then they are perpendicular
if the slopes are the same then they are parallel.