**The Slope of a Line: Types of Slopes**

Generally, there are three types of slopes of a line:

**Positive, Negative, and Zero**

The fourth one on this list is really not considered a type of slope because it is the situation wherein the line has no slope. This is usually referred to as undefined because the denominator or the change in variable “x” is zero.

Check out how **Mr. Piggy** can help you remember this concept!