Question

What is the slope of the line x= -3?
A) -3
B)0
C) 3
D) Undefined

Answer 1

The answer is D.

Explanation:

When the equation is x = -3, which is a vertical line. Gradient doesn't exist in a vertical line so it is an Undefined .

If the equation is y = -3, it will be a horizontal line so the gradient will be Zero .

Answer 2

D undefined. because the line is vertical.