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MAT_1143-mar_7

# MAT_1143-mar_7 - Rules of exponents STILL hold only with a...

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Click to edit Master subtitle style March 7, 2011 Sections 4.5b

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Exam 2 Exam 2 will be Friday, March 11 It will cover 3.1-3.3, 4.1-4.3 and 4.5
What about am/n Obj101 This gives meaning to ALL fractional exponents If n is even, a must be positive Both of these meanings come from applying rules of exponents

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( 29 2 3 3 2 3 2 8 ) 8 ( 8 = = 4 64 ) 8 ( 8 3 3 2 3 2 = = = ( 29 4 2 8 8 2 2 3 3 2 = = = Either way gives the same answer. Sometimes one method is easier than the other = 4 3 16 A: 12 B: 8 C: 1/16 D: 64
= - 4 3 16 A: undefined B: 8 C: 1/8 D: -8 = - 4 3 ) 16 ( A: undefined B: 8 C: 1/8 D: -8

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= - 2 1 9 4 A: 2/3 B: -2/3 C: -3/2 D: 3/2 A: undefined B: -4 C: -2 D: 1/2 = - 4 1 16

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Unformatted text preview: Rules of exponents STILL hold, only with a radical form n n n b a b a ⋅ = ⋅ n n n b a b a = • Use these to simplify radical expressions = ⋅ x x 3 A: unlike terms-can’t combineB: x1/6 C: x5/6 D: x = ⋅ 2 4 3 A: unlike terms-can’t combineB: 27/6 C: cuberoot(8) D: 2 = 2 2 3 A: unlike terms-can’t combineB: 1/21/6 C: 2-1/6 D: 2 Assignment 4.5 • Exercises-p.241-242: 8, 9, 11, 12, 14, 15 • Algebra Aerobics-p. 240: 1,2 • Due March 9, 2011 • Last topic to be included in Exam 2: March 11, 2011...
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MAT_1143-mar_7 - Rules of exponents STILL hold only with a...

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