Question

What is the equation of the line that passes through the point (3,-7) and has a undefined slope

Answer 1

x = 3

Explanation:

A vertical line has undefined slope. Its equation is of the form x=c, for some constant c.

Line through (3, -7)

To make sure the line passes through a point with an x-coordinate of 3, the constant in the equation must be 3:

x = 3 . . . . . . vertical line through (3, -7)