Posted by **Margie** on Saturday, October 14, 2006 at 12:29pm.

Complete this sentence with the correct choice: y = 4 is a horizontal line with ________.

undefined slope.

a slope of 4.

a slope of 0.

None of the above will make a true statement.

Draw a line through y = 4 and parallel to the x axis. Now, what slope is that?

is it a slope w/0?

Yes, the slope is zero.