Horizontal and vertical lines

Front

What is the equation of a vertical line?

Back

Front

What is the equation of a horizontal line?

Back

Front

Identify the type of line represented by the equation x = 3.

Back

Vertical.

Front

Identify the type of line represented by the equation y = -2.

Back

Horizontal.

Front

What is the slope of a vertical line?

Back

The slope of a vertical line is undefined.

Front

What is the slope of a horizontal line?

Back

The slope of a horizontal line is 0.

Front

If a line is represented by the equation y = 4, what type of line is it?

Back

Horizontal.

Front

If a line is represented by the equation x = -1, what type of line is it?

Back

Vertical.

Front

What does the graph of the equation x = 5 look like?

Back

A vertical line that crosses the x-axis at 5.

Front

What does the graph of the equation y = 3 look like?

Back

A horizontal line that crosses the y-axis at 3.