Radical Expressions and Rational Exponents

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Presentation transcript:

Radical Expressions and Rational Exponents Algebra 2 8-6

Property

Multiply Radicals - Example

Multiply Radicals - Practice

Simplified Radical Expressions Radical expressions are considered “simplified” when all possible integers have been brought outside the radical sign. Simplified Radical Expressions

Simplify Radicals - Example

Simplify Radicals - Practice

Simplify Radicals - Example

Simplify Radicals - Practice

Property

Simplify Radicals - Example

Simplify Radicals - Practice

Rationalize the Denominator – Rewriting a fraction so there are no radicals in the denominator. Multiplying the denominator by any radicals removes the radical. Definition

Rationalizing - Example

Rationalizing - Example

Rationalizing - Practice

Summary

Multiplication and division inside radicals can be combined Simplified without radical in denominator Simplified when no integers can be removed Big Idea - Summary

Summary

Example

Radical Expressions

Rational Exponents – Another way to write radical expressions Vocabulary

Rational Exponents

Conjugates - Example

Rational Exponents - Practice

Rational Exponents - Example

Rational Exponents - Practice

Rational Exponents - Practice

Exponents - Summary

Rational Exponents - Example

Rational Exponents - Example

Rational Exponents - Practice

Simplified exponents are always positive numbers Rational Exponents

Rational Exponents - Example

Rational Exponents - Practice

Big Idea - Summary Radical index is denominator of fractional exponent Multiply terms with common base – Add exponents Divide terms with common base – Subtract the denominator Negative exponents – Make positive and switch to other side of fraction Exponent to an exponent – Multiply exponents Big Idea - Summary

Practice

Practice

Practice

Practice

Practice

Example

Example

Pages 615 – 616 30 – 56 even, 62-76 even, Homework