#### Answer

slope = $3$

#### Work Step by Step

RECALL:
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:
slope = $m= \dfrac{0-(-3)}{2-1}=\dfrac{0+3}{1}=\dfrac{3}{1}=3$