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To rationalize the denominator of an expression, rewrite it so there 
are no radicals in any denominator and no denomina...
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Conjugates are number
The conjugate of  is _______________.
The conjugate of  is _______________.
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Examples:  Multilply
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Sometimes you need to rationalize the denominator of a fraction when 
the denominator is a binomial radical expression. ...
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Examples:  Simplify Completely
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Notes 2 3

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Notes for Algebra 2, Day 2-3: Rationalizing the Denominator

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Notes 2 3

  1. 1. 1 To rationalize the denominator of an expression, rewrite it so there  are no radicals in any denominator and no denominators in any  radical. Rationalizing the Denominator Examples:  Rationalize the denominator 1. 2. 3. Why?
  2. 2. 2 4. 5. 6.
  3. 3. 3 Conjugates are number The conjugate of  is _______________. The conjugate of  is _______________.
  4. 4. 4 8. 9. Examples:  Multilply
  5. 5. 5 Sometimes you need to rationalize the denominator of a fraction when  the denominator is a binomial radical expression. Multiply the numerator  and denominator of the fraction by the conjugate of the denominator.
  6. 6. 6 Examples:  Simplify Completely 11. 12.

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