Answer
$m=-1$
Work Step by Step
We can use the slope formula to calculate the slope of a line, m, that goes through two points.
$m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$
$m=\frac{4-2}{-3-(-1)}=\frac{2}{-3+1}=-\frac{2}{2}=-1$
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