Answer:
The slope is undefined.
Step-by-step explanation:
Your points are (4, 5) and (4, -2).
x₁ = 4, y₁ = 5
x₂ = 4, y₂ = -2
Slope = (y₂ - y₁)/(x₂ - x₁) Insert the values
Slope = [5 – (-2)]/(4 - 4)
Slope = 7/0
Slope = undefined
Your line is vertical, so the slope is undefined.
