Answer:
slope is undefined
Step-by-step explanation:
Calculate the slope m using the slope formula
m = ( y₂ - y₁ ) / ( x₂ - x₁ )
with (x₁, y₁ ) = (- 6, 8) and (x₂, y₂ ) = (- 6, - 5)
m = [tex]\frac{-5-8}{-6+6}[/tex] = [tex]\frac{-13}{0}[/tex]
division by zero is undefined, hence slope is undefined
