Handout 5.17- Horizontal and Vertical Lines

Front

What is a horizontal line in a graph?

Back

A horizontal line is a straight line that runs from left to right across the graph, indicating that the y-value is constant regardless of the x-value.

Front

What is a vertical line in a graph?

Back

A vertical line is a straight line that runs up and down the graph, indicating that the x-value is constant regardless of the y-value.

Front

What is the equation of a horizontal line?

Back

The equation of a horizontal line is in the form y = k, where k is a constant.

Front

What is the equation of a vertical line?

Back

The equation of a vertical line is in the form x = k, where k is a constant.

Front

If y = 4, what type of line is represented on a graph?

Back

A horizontal line at y = 4.

Front

If x = -4, what type of line is represented on a graph?

Back

A vertical line at x = -4.

Front

What does the equation y = 8 represent on a graph?

Back

A horizontal line at y = 8.

Front

What does the equation y = -4 represent on a graph?

Back

A horizontal line at y = -4.

Front

What does the equation x = 5 represent on a graph?

Back

A vertical line at x = 5.

Front

What does the equation y = 5 represent on a graph?

Back

A horizontal line at y = 5.