SOLUTION: 4x+5y=15 -15x=12y=0 Solve. Are these perpendicular, parallel, or neither? My answers: -5/4 and 4/5 perpendicular

SOLUTION: 4x+5y=15 -15x=12y=0 Solve. Are these perpendicular, parallel, or neither? My answers: -5/4 and 4/5 perpendicular

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Question 310388: 4x+5y=15
-15x=12y=0
Solve. Are these perpendicular, parallel, or neither?
My answers:
-5/4 and 4/5
perpendicular
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
4x+5y=15 --> m = 4/5
-15x=12y=0 --> too many equal signs

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