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# Simplifying Radicals KEY - 1 48 = 2 72 = Denominators...

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Lesson: Square Roots and Radicals Name__________________ Objectives : -review properties of square roots -simplify radical expressions Radical Symbol: 16 means the positive square root of 16. 16 - means the negative square root of 16. Properties: Multiplication Property of Square Roots: For any numbers a 0 and b 0 , b a ab = Division Property of Square Roots For any numbers a 0 and b>0, b a b a = Using Properties to Simplify Radicals Radical Expressions Containing Perfect Squares

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Unformatted text preview: 1) 48 = 2) 72 = Denominators Containing Radical Expressions 3) 7 5-= *** when simplifying the expression b a , you need to multiply by b b to clear the radical in the denominator. 4) 3 2 = A Simplified Radical Expression : • Has no perfect squares under the radical • Has no radicals in the denominator More Examples: Simplify! 5) y x 2 6) 10 200 7) 3 48 b ⋅ HW: p. 262 # 1-12...
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