A concise graphing calculator lesson on proportions. Detailed examples, demonstrations of functions, and practice problems included. Acrobat Reader required.

Given a set of equations students will be able to explain how to reduce fractions to simplest form and determine if the given set of fractions are equivalent.

[Free Registration/Login may be required to access all resource tools.] Reduce rational expressions involving fractions to simplest terms and find their excluded values.

This lesson will introduce you to rational expressions. You will learn how to determine when a rational expression is undefined and how to find its domain.