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# Pc 9.5 notes

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• 1. April 11, 20129.5 The BinomialTheoremEssential Question:How do you expand (x+y)n? 1
• 2. April 11, 2012Our 9.5 Objectives (QuizTopics)Objectives:• evaluate combinations (group notation) to determinebinomial coefficients• Create Pascals Triangle to find binomial coefficients• Expand binomials with Pascals Triangle or theBinomial Theorem• Determine specific terms of a binomial expansion 2
• 3. April 11, 2012What is "binomial expansion"? 3
• 4. April 11, 2012Patterns in binomial expansion.1.2.3.4. 4
• 5. April 11, 2012The Binomial Theorem 5
• 6. April 11, 2012Evaluating CombinationsEx. 1) Evaluate.a) b)c) d)e) 6
• 7. April 11, 2012Creating Pascals Triangle 7
• 8. April 11, 2012Expanding Binomials1)2)3) 8
• 9. April 11, 2012Ex. 2) Expand. 9
• 10. April 11, 2012Ex. 3) Expand. 10
• 11. April 11, 2012Ex. 4) Expand. 11
• 12. April 11, 2012Ex. 5) What is the fifth term of (a - 2b)8? 12
• 13. April 11, 2012Ex. 6) Find the coefficient of the termcontaining a4b7 in the expansion of (2a - 3b)11. 13
• 14. April 11, 2012Assignment:9.5 p. 688 #1-13 (odd), 17, 23-29(odd), 33, 39, 41, 47, 49, 67 14
• 15. April 11, 2012 15