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Section P3 Radicals and Rational Exponents

Section P3 Radicals and Rational Exponents. Square Roots. Examples. Evaluate. Simplifying Expressions of the Form. The Product Rule for Square Roots. A square root is simplified when its radicand has no factors other than 1 that are perfect squares. Examples. Simplify:. Examples.

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Section P3 Radicals and Rational Exponents

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  1. Section P3Radicals and Rational Exponents

  2. Square Roots

  3. Examples Evaluate

  4. Simplifying Expressions of the Form

  5. The Product Rule for Square Roots

  6. A square root is simplified when its radicand has no factors other than 1 that are perfect squares.

  7. Examples Simplify:

  8. Examples Simplify:

  9. The Quotient Rule for Square Roots

  10. Examples Simplify:

  11. Adding and Subtracting Square Roots

  12. Two or more square roots can be combined using the distributive property provided that they have the same radicand. Such radicals are called like radicals.

  13. Example Add or Subtract as indicated:

  14. Example Add or Subtract as indicated:

  15. Rationalizing Denominators

  16. Rationalizing a denominator involves rewriting a radical expression as an equivalent expression in which the denominator no longer contains any radicals. If the denominator contains the square root of a natural number that is not a perfect square, multiply the numerator and the denominator by the smallest number that produces the square root of a perfect square in the denominator.

  17. Let’s take a look two more examples:

  18. Examples Rationalize the denominator:

  19. Examples Rationalize the denominator:

  20. Other Kinds of Roots

  21. Examples Simplify:

  22. The Product and Quotient Rules for nth Roots

  23. Example Simplify:

  24. Example Simplify:

  25. Rational Exponents

  26. Example Simplify:

  27. Example Simplify: Notice that the index reduces on this last problem.

  28. Simplify: (a) (b) (c) (d)

  29. Simplify: (a) (b) (c) (d)

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