Answer:
slope = - 3
Step-by-step explanation:
Calculate the slope m using the slope formula
m = [tex]\frac{y_{2}-y_{1} }{x_{2}-x_{1} }[/tex]
with (x₁, y₁ ) = (- 6, 6) and (x₂, y₂ ) = (- 3, - 3)
m = [tex]\frac{-3-6}{-3-(-6)}[/tex] = [tex]\frac{-9}{-3+6}[/tex] = [tex]\frac{-9}{3}[/tex] = - 3
