# Find the slope of any line perpendicular to the line passing through (−6,17) and (2,18)

Find the slope of any line perpendicular to the line passing through (−6,17) and (2,18)
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Travis Sellers
First, we need to find the slope of the line passing through (−6,17) and (2,18). The slope is;
$\frac{18-17}{2-\left(-6\right)}=\frac{1}{8}$
If we multiply the slope of any line with −1 and then get its reciprocal, we find the slope of the line which is perpendicular to it.
So;
$\frac{1}{8}.-1=-\frac{1}{8}$ its reciprocal $-8$