Identifying Vertical and Horizontal Lines

Front

What is a horizontal line?

Back

A horizontal line is a straight line that runs from left to right across the graph. It has a slope of 0.

Front

What is a vertical line?

Back

A vertical line is a straight line that runs up and down on the graph. It has an undefined slope.

Front

What is the slope of the line represented by the equation y = -2?

Back

0

Front

What is the equation of a horizontal line that passes through the point (0, 1)?

Back

y = 1

Front

What is the equation of a vertical line that passes through the point (3, 0)?

Back

x = 3

Front

How do you identify a horizontal line in an equation?

Back

A horizontal line can be identified by an equation of the form y = k, where k is a constant.

Front

How do you identify a vertical line in an equation?

Back

A vertical line can be identified by an equation of the form x = k, where k is a constant.

Front

What is the slope of a vertical line?

Back

Undefined

Front

What is the slope of a horizontal line?

Back

0

Front

If the equation of a line is y = 5, what type of line is it?

Back

Horizontal