Answer
slope = $0$
Work Step by Step
RECALL:
slope = $\dfrac{y_2-y_1}{x_2-x_1}$ where $(x_1, y_1)$ and $(x_2, y_2)$ are the coordinates of the two points on the line.
Use the points on the line $(0, -2)$ and $(1, -2)$ to obtain:
slope = $\dfrac{-2-(-2)}{1-0}=\dfrac{0}{1}=0$
