Horizontal and Vertical Lines

Front

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

Back

x = 3

Front

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

Back

y = 1

Front

How do you identify a vertical line on a graph?

Back

A vertical line is identified by the equation x = a, where 'a' is a constant.

Front

How do you identify a horizontal line on a graph?

Back

A horizontal line is identified by the equation y = b, where 'b' is a constant.

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

What type of line is represented by the equation x = 2?

Back

A vertical line.

Front

What type of line is represented by the equation y = -1?

Back

A horizontal line.

Front

If a line is vertical, what can be said about its x-coordinates?

Back

All points on a vertical line have the same x-coordinate.

Front

If a line is horizontal, what can be said about its y-coordinates?

Back

All points on a horizontal line have the same y-coordinate.