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# 7.2 - Expressions a n b n = a b n • If a and b are real...

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1 Warm Up Write as a square of a number. 1) 0.09 = 2) (4/49) = Write as a square of an expression. 3) 4) 10 4 x 6 8 y x Warm Up = 3 6 27 y x 20 4 + x 5 ( x 2 ) - (3 xy ) 3 = Simplify: Objective To Multiply Radical Expressions To Divide Radical Expressions Multiplying Radical Expressions • If a and b are real numbers: a n b n = ab n Simplify 27 * 3 = ? - 3 * - 12 = ? You Try 10 3 12 3 = 8 3 25 2 =

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2 Multiplying - You Try! 4 16 x 6 2 4 x 3 y 2 = Dividing Radical Expressions
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Unformatted text preview: Expressions a n b n = a b n • If a and b are real numbers: b ≠ Dividing - You Try! 32 3-4 3 = 162 x 5 3 3 x 2 3 = Rationalizing Denominators • Radical on bottom = BAD 2 x 3 10 xy One more • Hint: Simplify before rationalizing if you can 3 8 5 x 4 5 10 x x Practice Work • P. 371 2, 3, 5, 11-14, 17-20, 23-30 (NOT 26 )...
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7.2 - Expressions a n b n = a b n • If a and b are real...

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