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7.1 Assignment A even answers 78. 82. 80. 84.

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7.1 nth Roots and Rational Exponents Notes B Example 3: Approximating a Root with a Calculator Use a calculator to approximate

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Rules for real nth roots: 1.If n is odd, then 2.If n is even and (a) a > 0, then (b) a = 0, then (c) a < 0, then

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Example 4: Solving Equations Using nth Roots (a) 2x 4 = 162 (b) (x – 2) 3 = 10

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7.1 Assignment A/B: pg. 404 #13-61 odd

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OGT Practice Problems: 1.Pauline’s family consists of her mom, dad, three sisters and four brothers. What fraction of Pauline’s family is female? (A)2/5 (B) 4/9 (C) ½ (D) 5/9 2.If five blocks east is given by the directed number 5, what is the directed number for nine blocks west? (A) – 9 (B) – 4 (C) 4 (D) 9

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3.Lonnie has 100 CDs. If each CD has 10 songs, which expression shows the total number of songs Lonnie has? (A)10 2 (B) 10 3 (C) 100 2 (D) 100 10 4.Which number is rational? (A) (B) (C) 4.333… (D) 6.342894….

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