# Exam1B - NOTE: Be sure to bubble the answers to questions 1...

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NOTE: Be sure to bubble the answers to questions 1 - 20 on your scantron. Part I: 2 points each In problems 1 through 5 indicate whether each of the following statements are true or false. 1. 7 p ( - 2009) 7 = - 2009. A. True B. False 2. If b < 0, then | b | = b . A. True B. False 3. The number 25 is a natural number. A. True B. False 4. The polynomial 3 x 4 - 2 x + 12 x 6 + 1 has degree 4. A. True B. False 5. If x is a real number, then x 2 + 9 = | x | + 3 A. True B. False 6. Write the following statement as an inequality. “The distance between x and - 3 is at most 6 units.” A. | x - 3 | ≤ 6 B. | x - 3 | < 6 C. | x + 3 | ≤ 6 D. | x + 3 | ≥ 6 7. Which expression equals 11 1 / 2 · 11 1 / 3 · 11 1 / 6 ? A. 36 11 B. 11 11 C. 11 11 D. 11 MAC 1140 Page 1 of 8 Exam 1B

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8. The equation 4 + ( z + x ) = (4 + z ) + x illustrates which property of the real numbers? A. The commutative property of addition. B. The associative property of addition.
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## This note was uploaded on 07/12/2011 for the course MAC 1140 taught by Professor Williamson during the Fall '08 term at University of Florida.

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Exam1B - NOTE: Be sure to bubble the answers to questions 1...

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