Question

What is the equation of a vertical line passing through the point (–4, 7)?

y = 7

y = –4

x = 7

x = –4

Answer 1

The slope of a vertical line is what.
?

Answer 2

In a vertical line, \(x\) stays the same.
Therefore, \(x\) will ALWAYS BE -4.

Answer 3

What is the equation of a line look like? What are its components?

Answer 4

Look closely at the equation for any general line first. This will help you.