What I the slope of the equation of the line below.

Answer:
Step-by-step explanation:
Look at the picture.
The formula of a slope:
[tex]m=\dfrac{y_2-y_1}{x_2-x_1}[/tex]
From the graph we have the points (0, 4) and (-2, -2). Substitute:
[tex]m=\dfrac{-2-4}{-2-0}=\dfrac{-6}{-2}=3[/tex]