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Evaluate and estimate numerical square and cube roots

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.

Simplify radical expressions by using distribution and rationalizing the denominator.
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• PLIX

Simplification of Radical Expressions: Irrational Garden Plot

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Scientific Notation: Richter Scale Exponents

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• Video

This video demonstrates a sample use of radical expressions.
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• Video

Radical Expressions: An Explanation of the Concept

This video provides an explanation of the concept of radical expressions.
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• Critical Thinking

A list of student-submitted discussion questions for Radical Expressions.
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• Real World Application

Current Expressions

Find out how electrical engineers use radical expressions.
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• Study Guide