SOLUTION: Is y=4x-and 12x=3y+7 parallel or perpendicular How do i show my work for this question?

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Question 1094804: Is y=4x-and 12x=3y+7 parallel or perpendicular

How do i show my work for this question?

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Find the slope of the 2 lines.
If they're equal they're parallel.
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If they're negative reciprocals, they're perpendicular.