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Bell Ringer #3 (Quick Review)

Bell Ringer #3 (Quick Review). √16 3 √8 4 √625. Chapter 7.3 Notes Objectives. Before you leave today, you should be able to : evaluate and rewrite expressions involving rational exponents. Solve equations involving expressions with rational exponents. CCRS: 1, 2. b ½ .

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Bell Ringer #3 (Quick Review)

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  1. Bell Ringer #3 (Quick Review) • √16 • 3√8 • 4√625

  2. Chapter 7.3 NotesObjectives Before you leave today, you should be able to : • evaluate and rewrite expressions involving rational exponents. • Solve equations involving expressions with rational exponents. CCRS: 1, 2

  3. b ½

  4. Example: Radical and Exponential Forms • 25 ½ b)√(18) c) 5x ½ d) √(8p)

  5. Example #1 • a ½ b) (7w) ½ c) √(22) d) 2√x

  6. nth Root

  7. Example: nth roots a) 3√27 b) 5√32

  8. Example 2: a) 3√64 b) 4√10,000

  9. b 1/n

  10. Example: b 1/n expression Simplify: a) 125 1/3 b) 1296 1/4

  11. Example #3: Simplify: a) 27 1/3 b) 256 1/4

  12. b m/n

  13. Example: Evaluate b m/n a) 64 2/3 b) 36 3/2

  14. Example #4 Simplify: a) 27 2/3 b) 256 5/4

  15. Power Property of Equality

  16. Example: Solve exponential equations Solve each equation: • 6x = 216 • 25 x-1 = 5

  17. Example #5: Solve each equation: • 5x = 125 • 12 2x +3 = 144

  18. Exit Slip • List the five new rules you learned today and how they are used. HOMEWORK: pg. 410 (18-56 evens; 94-97)

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