Answer:
slope = 0
Step-by-step explanation:
Calculate the slope m using the slope formula
m = (y₂ - y₁ ) / (x₂ - x₁ )
with (x₁, y₁ ) = (1, - 3) and (x₂, y₂ ) = (- 1, - 3)
m = [tex]\frac{-3+3}{-1-1}[/tex] = [tex]\frac{0}{-2}[/tex] = 0
