SOLUTION: lines l and m are perpendicular.If the slope of line m is -4/3 what is the slope of line l?

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Question 697380: lines l and m are perpendicular.If the slope of line m is -4/3 what is the slope of line l?
Answer by Alan3354(69443) About Me  (Show Source):
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lines l and m are perpendicular.If the slope of line m is -4/3 what is the slope of line l?
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It's the negative inverse of -4/3
= negative reciprocal of -4/3