Answer
$m=\dfrac{2}{3}$
Work Step by Step
The slope $m$ of the line that passes through the points $(x_1, y_1)$ and $(x_2, y_2)$ is given by the formula:
$m=\dfrac{y_2-y_1}{x_2-x_1}$
Use the formula above to obtain:
$m=\dfrac{3-5}{-1-2}=\dfrac{-2}{-3}=\dfrac{2}{3}$
