Question

Which equation represents a vertical line? *

A. y =2x
B. x = 2
C. y = 3
D. y = -x​

Answer 1

Answer: x = 2

Explanation:

The slope of a vertical line is undefined, so the equation of a vertical line is x = a

In this problem, the only choice that represents a vertical line is x = 2 (where a = 2)

Answer 2

x = 2

Explanation:

X is the vertical edge

x=2