Exams › SSC CGL (Prelims) › General

Find the slope of the line perpendicular to $y=\frac{1}{3}x+5$.

1. -3
2. 3
3. -1/3
4. 1/3

Correct answer: -3

Solution

The given line has slope $m=\frac{1}{3}$. A perpendicular line has slope $-\frac{1}{m}=-3$.

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