Answer: -1
Step-by-step explanation:
Find the two coordinates first.
In this case, they are (-4, 1) and (-2, -1).
Use the following formula to calculate slope:
[tex]\frac{y2-y1}{x2-x1}[/tex]
Substitute in the coordinates:
[tex]\frac{1-(-1)}{-4-(-2)}[/tex] = [tex]\frac{2}{-2}[/tex] = -1
