Horizontal and Vertical Lines

Front

What is the slope of a horizontal line?

Back

The slope of any horizontal line is ZERO.

Front

What is the equation of a vertical line that passes through the point (8, y)?

Back

The equation of the vertical line is x = 8.

Front

What is the equation of a horizontal line that passes through the point (x, -4)?

Back

The equation of the horizontal line is y = -4.

Front

What is the slope of the line represented by the equation y = -7?

Back

The slope of the line y = -7 is ZERO.

Front

What is the equation of a horizontal line that passes through the point (x, -3)?

Back

The equation of the horizontal line is y = -3.

Front

How do you identify a horizontal line on a graph?

Back

A horizontal line is identified by a constant y-value for all x-values.

Front

How do you identify a vertical line on a graph?

Back

A vertical line is identified by a constant x-value for all y-values.

Front

What is the slope of a vertical line?

Back

The slope of any vertical line is undefined.

Front

What is the general form of the equation for a horizontal line?

Back

The general form of the equation for a horizontal line is y = c, where c is a constant.

Front

What is the general form of the equation for a vertical line?

Back

The general form of the equation for a vertical line is x = c, where c is a constant.