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Warm Up

Warm Up . Finish your test If you already finished, begin looking at 9.1 – Review of Radicals You can start your homework after you have read the section. 9.1 Review of Radicals and Quadratic Equations. Simplify Radical Expressions:. =. =. 4. =. Try:. (3. ) 2. 1. = 3. 3. = 63.

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Warm Up

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  1. Warm Up • Finish your test • If you already finished, begin looking at 9.1 – Review of Radicals • You can start your homework after you have read the section

  2. 9.1 Review of Radicals and Quadratic Equations

  3. Simplify Radical Expressions: = = 4 =

  4. Try: (3 )2 1. = 3 3 = 63 2. = = or 3

  5. Quadratic Equations Solve for x: Method 1 (remember you will have ± in your answer) X2 + 9 = 25 x2 = 16 x = ± 4

  6. Method 2: factoring X2 + 9 = 25 X2 - 16 = 0 (x-4)(x+4) = 0 (factor) X-4 = 0 or x+4=0 x = ± 4 Notice that with either method you get the same answer.

  7. Try this one: (3 )2 + ( )2 X2 =

  8. Simplify:

  9. Find AB A (0, 7) (0, 0) (10, 0) B C AB =

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