# What is the slope of a line parallel to the y-axis?

##### 2 Answers

Parallel lines have the same slope.

Vertical lines have an undefined slope.

The

A line that is parallel to the

The slope of a line parallel to the

#### Answer:

A line parallel to the y-axis - a.k.a. vertical line has no slope!

#### Explanation:

Slope is defined as

A line parallel to the

A line parallel to the