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How do you find the slope of a line perpendicular to $y = (- 3 x)$ $y=(-3x)$ ?

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May 28, 2015

$y = (- 3 x)$ $y = (-3x)$ has a slope of $(- 3)$ $(-3)$

If a line has a slope of $m$ $m$ , any line perpendicular to it has a slope of $(- \frac{1}{m})$ $(-1/m)$

Any line perpendicular to $y = (- 3 x)$ $y=(-3x)$ has a slope of $\frac{1}{3}$ $1/3$

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