# Rational Numbers and Rational Expressions

- Watch the following video that defines rational numbers. Once you have viewed the video, return to this page by using the back arrow.

https://learnzillion.com: understand-and-apply-the-definition-of-rational-numbers

Provide some other examples of rational numbers that are not in fraction form. Provide some non-examples of rational numbers.

- In your own words define a rational number.
- Compare your definition of a rational number to this definition of a rational expression:

**A rational expression is the ratio of two polynomials where the denominator is not zero.**

- How are rational expressions different than rational numbers?