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The slope of a line is -5/4. What is the slope of line that is parallel to it?

 

 

The slope of a line is -5/4. What is the slope of line that is perpendicular to it?

 Jul 19, 2020
 #1
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Parallel lines always have the same slope. In this case, it's -5/4.

Perpendicular lines multiply to -1. In this case, it's 4/5. Note that a simple way to get 4/5 is to reverse -5/4 to -4/5, then multiply by -1 and get rid of the negative sign.

 

You are very welcome!

:P

 Jul 19, 2020

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