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# Rational Equations Using Proportions

Cross-multiply to solve
Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Rational Equations Using Proportions

Use cross products and LCDs to solve rational equations.

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• Video

## Solutions of Rational Equations: A Sample Application

This video demonstrates a sample of the solutions of rational equations.

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• Video

## Solving Rational Equations: An Explanation of the Concept

This video provides an explanation of the solutions of rational equations.

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• Practice
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## Rational Equations Using Proportions Practice

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• Critical Thinking

## Rational Equations Using Proportions Discussion Questions

A list of student-submitted discussion questions for Rational Equations Using Proportions.

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Come up with questions about a topic and learn new vocabulary to determine answers using the table

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• Real World Application

## Out of Proportion

Learn how the number of representatives for each state in the U.S. House of Representatives is determined.

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• Study Guide