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  • 22-05-2018
  • Mathematics
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a line has a slope of -5 What is the line perpendicular to it

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MrGumby
MrGumby MrGumby
  • 31-05-2018
The slope would be 1/5.

Perpendicular lines have opposite and reciprocal slopes. So you must flip the fraction and change its sign. 

Since -5 as a fraction is -5/1, we would flip that to get 1/-5. Then we would change the sign to get 1/5. 
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