Answer:
D
Step-by-step explanation:
Slope = (y2-y1)/(x2-x1)
= (4-2)/(-5-(-5))
= 2/0
Which is undefined
Alternately,
Since both points have x-coordinate of -5, they lie on the line x = -5
which is a vertical line (parallel to y-axis).
Every vertical line has an undefined slope
