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Rationalizing Denominators

Rationalizing Denominators. How to remove a radical from the denominator…. Multiply the numerator and the denominator by the radical in the denominator. Rationalize the denominator. Your turn…. - . What if there is a binomial in the denominator?.

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Rationalizing Denominators

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  1. Rationalizing Denominators

  2. How to remove a radical from the denominator… Multiply the numerator and the denominator by the radical in the denominator

  3. Rationalize the denominator

  4. Your turn… -

  5. What if there is a binomial in the denominator? Multiply numerator and denominator by the conjugate of the denominator. Conjugate???

  6. Multiply each set of binomials (x + 3)(x – 3) (x + 7)(x – 7) (3 + What do you notice?

  7. State the conjugate.

  8. Rationalize the denominator Multiply numerator and denominator by the conjugate of the denominator.

  9. Try another.

  10. And another Sometimes you need to reduce the integers.

  11. Your turn

  12. Ready for a challenge…

  13. Practice time http://www.regentsprep.org/Regents/math/ALGEBRA/AO1/pracRad.htm

  14. HomeworkWorksheet

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