Vertical and Horizontal Lines

Front

What type of line has a slope of 0?

Back

Horizontal line.

Front

What is the slope of a horizontal line?

Back

0.

Front

What type of line is represented by the equation y = 10?

Back

Horizontal line.

Front

What is the equation of a vertical line that passes through x = 3?

Back

x = 3.

Front

Which type of line has an undefined slope?

Back

Vertical line.

Front

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

Back

y = b, where b is a constant.

Front

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

Back

x = a, where a is a constant.

Front

If a line is vertical, what can be said about its slope?

Back

The slope is undefined.

Front

How do you identify a horizontal line on a graph?

Back

It runs parallel to the x-axis.

Front

How do you identify a vertical line on a graph?

Back

It runs parallel to the y-axis.