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7.3 Binomial Radical Expressions

7.3 Binomial Radical Expressions. Review Example. RADICAL EXPRESSIONS EX-adding. RULES Have to have same number on inside Have to have same nth root. RADICAL EXPRESSIONS EX-adding. Let’s try some. Solutions. Review - RATIONALIZING a DENOMINATOR. How to rationalize using conjugates

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7.3 Binomial Radical Expressions

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  1. 7.3 Binomial Radical Expressions

  2. Review Example

  3. RADICAL EXPRESSIONSEX-adding • RULES • Have to have same number on inside • Have to have same nth root

  4. RADICAL EXPRESSIONSEX-adding

  5. Let’s try some . . .

  6. Solutions

  7. Review - RATIONALIZING a DENOMINATOR • How to rationalize using conjugates • If there is a radical in the bottom, then you must rationalize it.

  8. How to rationalize when there are rationals in the denominator… Multiply by the same root but make it so you can take root of the powers

  9. Let’s remember conjugates Sample: Find the conjugate of Multiply the binomial by the conjugate using the box method. 2 4 16(3)= -48 Notice: No roots appear in our solution when we multiply by a conjugate

  10. RADICAL EXPRESSIONS EX-FOIL Method + - - Fully simplified since radicals can’t break down and our addition rules don’t apply

  11. EX-rationalizing CONJUGATE

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