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Unformatted text preview: ). Conjugates MartinGay, Beginning and Intermediate Algebra, 4ed 5 Rationalize the denominator. 3 2 2 3 + + 2 3 3 2 3 2 2 2 3 2 3 2 2 3 2 3 3 + = + 6 3 2 2 2 3 2 3 +=6 3 2 2 2 3 1 +=6 3 2 2 2 3 = + + Rationalizing the Denominator Example: MartinGay, Beginning and Intermediate Algebra, 4ed 6 An expression rewritten with no radical in the numerator is called rationalizing the numerator . 12 7 12 7 = 12 12 12 2 21 = 12 12 7 12 = 12 84 = 12 4 21 = 12 4 21 = 6 21 = Rationalizing the Numerator Example: MartinGay, Beginning and Intermediate Algebra, 4ed 7 Rationalize the numerator. 3 9 7 y 3 3 9 7 y = 2 3 2 3 3 3 y y 2 3 3 2 3 3 9 3 7 3 y y y = 3 3 2 3 27 21 y y = 2 3 3 21 y y = y x y x+ x y x yx xy xy y x xy xy y+=+ x x y x y y x x y x y y + = + 2 x y x xy y=+ Rationalizing the Numerator Example:...
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 Fall '10
 Alraban
 Math

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