Question

Which of these equations represents a line that has an undefined slope and is

perpendicular to the line represented by y = 5?
A x = 5
B y = 0
C y = −5
D No such line exists.

Answer 1

It Will Be C because a positive always turns into An negative so the answer will be Y=-5

Answer 2

Explanation:

D. no such line exits

you have to know the gradient of the line given and there is no gradient given