Line m has a slope of -1 over 5. What is the slope of a line that is perpendicular to line m?

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Grade: Education Subject: mathematics
Line m has a slope of -1 over 5. What is the slope of a line that is perpendicular to line m?
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If slopeof a line = -1/5, then the line perpendicular to that line has the opposite inverse slope. 

The line perpendicular to a line with slope = -1/5 has a slope of 5.