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Solving Rational Equations

Solving Rational Equations

Author: Sarah Kummeth
Description:

Figure out how to use the cross products property and find for x in a rational equation.

In this packet you will learn how to solve a rational equation by using the cross products property and by using LCD's.

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Tutorial

Terms and Definitions

Rational Equation- an equation with at least one rational expression within it.

Rational Expression- a polynomial fraction.

Cross Products Property- property in which the means are equivelant to the extremes; where a/b=c/d or ad=bc.

Solving a Rational Equation: Explanations of Terms and Example

Source: McDougall Littell: Algebra One, Chapter 12.7

Example 2: Using LCD to Help Solve Equations

Source: McDougall Littell: Algebra One, Chapter 12.7

Example 3: Solving Rational Equations by Factoring and using LCD