SOLUTION: Determine if the equations are perpendicular 4/27×-y/3=1, 9/4×-y+1=0

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Question 1112203: Determine if the equations are perpendicular
4/27×-y/3=1, 9/4×-y+1=0
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Find the slopes.
If the slopes are negative inverses, they're perpendicular.
otherwise not.