Answer:
slope is undefined
Step-by-step explanation:
Calculate the slope m using the slope formula
m = (y₂ - y₁ ) / (x₂ - x₁ )
with (x₁, y₁ ) = (7, 7) and (x₂, y₂ ) = (7, - 5)
m = [tex]\frac{-5-7}{7-7}[/tex] = [tex]\frac{-12}{0}[/tex]
Division by zero is undefined, hence slope of line is undefined