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7.1 n th Roots and Rational Exponents Notes B

7.1 n th Roots and Rational Exponents Notes B. Example 3: Approximating a Root with a Calculator Use a calculator to approximate. Rules for real n th roots: If n is odd, then If n is even and (a) a > 0, then (b) a = 0, then (c) a < 0, then.

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7.1 n th Roots and Rational Exponents Notes B

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  1. 7.1 nth Roots and Rational ExponentsNotes B Example 3:Approximating a Root with a Calculator Use a calculator to approximate

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

  3. Example 4:Solving Equations Using nth Roots (a) 2x4 = 162 (b) (x – 2)3 = 10

  4. 7.1 Assignment B: Pg. 404 #14-40 even, #41-61 odd

  5. OGT Practice Problems: • Pauline’s family consists of her mom, dad, three sisters and four brothers. What fraction of Pauline’s family is female? • 2/5 (B) 4/9 (C) ½ (D) 5/9 • 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 • Lonnie has 100 CDs. If each CD has 10 songs, which expression shows the total number of songs Lonnie has? • 102 (B) 103 (C) 1002 (D) 10010 • Which number is rational? • (A) (B) (C) 4.333… (D) 6.342894….

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