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11-2 Radical Expressions Standard 2.0 Three Key Terms One Rule

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CA Standard 2.0 Understand and use the operation of a taking a root.

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Vocabulary Radical Expression Radicand The entire expression written with a radical sign. The expression that is written under the radical Radical Expression Radicand

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Vocabulary Imaginary Number A number that is not part of the real number system

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Examples of Real and Imaginary Numbers 1. 2. 3. 4. 1. Irrational 2. Imaginary 3. Imaginary 4. Rational

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#5 Evaluate the expression Imaginary

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#6 Evaluate the expression Imaginary

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#7 Real Number Sets Determine the values of x that make each expression a real number.

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#8 Real Number Sets Determine the values of x that make each expression a real number.

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Perfect Square Radicands The radical sign actually means the radicand is to the one-half power.

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Perfect Square Radicands Partially

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#9 Simplify

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#10 Simplify

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#11 Simplify

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#12 Simplify

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#13 Simplify

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