TEST BANK — College Algebra: Enhanced with Graphing Utilities, 8th Edition — Michael Sullivan — ISBN 9780135811924

College Algebra: Enhanced with
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Graphing Utilities– 8th Edition


TEST BANK
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Michael Sullivan
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Comprehensive Test Bank for Instructors and
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Students

© Michael Sullivan
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All rights reserved. Reproduction or distribution without permission is prohibited.
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, Ch. 0 Chapter R: Review
0.1 Real Numbers
1 Work with Sets
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
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Use U = universal set = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}, A = {1, 2, 3, 5, 8}, B = {2, 3, 5, 7}, and C = {1, 4, 9} to find the set.
1) B ∪ C
A) {1, 2, 3, 4, 5, 7, 9} B) { } C) {0} D) {1, 2, 3, 5, 7, 9}

2) A ∪ C
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A) {1, 2, 3, 4, 5, 8, 9} B) {4, 6, 7, 9} C) {1} D) {1, 2, 3, 5, 7, 9}

3) A ∩ B
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A) {2, 3, 5} B) {1, 2, 3, 5, 7, 8} C) {2, 3, 5, 7} D) {1, 2, 3, 5, 8}

4) A ∩ C
A) {1} B) {1, 2, 3, 4, 5, 7, 8, 9}
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C) {4, 6, 7, 9} D) {1, 2, 3, 5, 7, 9}

5) (A ∩ B) ∪ C
A) {1, 2, 3, 4, 5, 9} B) {1, 2, 3, 5} C) {1, 2, 3} D) {2, 3, 5}
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6) (B ∪ C) ∩ A
A) {1, 2, 3, 5} B) {1, 2, 3, 4, 5, 7, 9} C) { } D) {1, 2, 3}

7) B
A) {0, 1, 4, 6, 8, 9} B) {1, 4, 6, 8, 9} C) {0, 1, 4, 6, 7, 8, 9} D) {0, 1, 4, 6, 9}
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8) A ∪ B
A) {0, 4, 6, 9} B) {4, 6, 9} C) {1, 4, 6, 8, 9} D) {1, 2, 3, 5, 7, 8}

9) A ∩ C
A) {0, 2, 3, 4, 5, 6, 7, 8, 9} B) {1}
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C) {1, 2, 3, 4, 5, 7, 8, 9} D) {1, 2, 3, 4, 5, 6, 7, 8, 9}

10) B ∩ C
A) {0, 6, 8} B) {6, 8} C) {1, 2, 3, 4, 5, 7, 9} D) { }

2 Classify Numbers
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MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

List all the elements of B that belong to the given set.
3 5
1) B = 8, 7, -23, 0, , - , 8.7
5 3
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Integers
A) {8, -23, 0} B) {8, 0} C) {8, -23} D) {8, 0, 7}
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, 1
2) B = 12, 8, -20, 0, , -4, 8.5
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Natural numbers
A) {12} B) 12, 0, - 4 C) {12, 0} D) {-20, 0, 12}

0
3) B = 17, 6, -18, 0,
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3

Real numbers
0 0
A) 17, 6, -18, 0, B) {17, -18, 0} C) 17, -18, 0, D) 17, -18
3 3
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0
4) B = 8, 8, -8, 0, , 0.85
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Rational numbers
0 0
A) 8, -8, 0, , 0.85 B) {8, 0} C) { 8} D) 8, , 0.85
9 9
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0
5) B = 10, 5, -14, 0, , 0.02
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Irrational numbers
0 0
A) { 5} B) { 5, 0.02} C) 5, D) 5, , 0.02
3 3

5 9
6) B = {16, 6, -7, 0, , - , 5.1, 16π, 0.166166166...}
9 5
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Integers
A) {16, -7, 0} B) {16, 0} C) {16, -7} D) {16, 0, 6}

1
7) B = {6, 7, -19, 0, , -8, 7.1, 7π, 0.747474...}
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Natural numbers
A) {6} B) 6, 0, - 8 C) {6, 0} D) {-19, 0, 6}

0
8) B = {9, 6, -11, 0, , 16, 0.17, -6π, 0.161616...}
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Rational numbers
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0 0
A) 9, -11, 0, , 16, 0.17, 0.161616... B) 9, -11, 0, , 0.17
2 2
0 0
C) 9, -11, 0, , 0.17, 0.161616... D) 9, -11, 0, , 16, 0.17, -6π, 0.161616...
2 2
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0
9) B = {11, 8, -4, 0, , , 0.21, -8π, 0.444...}
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Irrational numbers
0
A) { 8 , -8π} B) { 8} C) 8, , -8π D) { 8, -8π, 0.444...}
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, Approximate the number rounded to three decimal places, and truncated to three decimal places.
10) 3.4748
A) 3.475 B) 3.476 C) 3.475 D) 3.474
3.474 3.474 3.475 3.475

11) 1.14285714
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A) 1.143 B) 1.144 C) 1.143 D) 1.142
1.142 1.142 1.143 1.143

20
12)
9
A) 2.222 B) 2.223 C) 2.222 D) 2.223
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2.222 2.222 2.223 2.223

3 Evaluate Numerical Expressions
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MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

Write the statement using symbols.
1) The sum of 28 and 7 is 35.
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28
A) 28 + 7 = 35 B) =4 C) 28 ∙ 7 = 196 D) 28 - 7 = 21
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2) The difference 10 less 2 equals 8.
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10
A) 10 - 2 = 8 B) =5 C) 10 + 2 = 12 D) 10 ∙ 2 = 20
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3) The product of 65 and 13 equals 845.
65
A) 65 ∙ 13 = 845 B) =5 C) 65 + 13 = 78 D) 65 - 13 = 52
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4) The quotient 14 divided by 7 is 2.
14
A) =2 B) 14 ∙ 7 = 98 C) 14 + 7 = 21 D) 14 - 7 = 7
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5) The sum of four times x and 5 decreased by 7 is 8.
A) 4x + 5 - 7 = 8 B) 4(x + 5) - 7 = 8 C) 7 - (4x + 5) = 8 D) 4(x + 5 - 7) = 8

6) Three times the difference of x and 8 is -10.
A) 3(x - 8) = -10 B) 3 - x - 8 = -10 C) 3x - 8 = -10 D) 3 + x - 8 = -10
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7) The quotient of x and the sum of 5 and x.
x x+5
A) B) x + 5 + x C) x(5 + x) D)
5+x x

Evaluate the expression.
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8) 1 - 5 + 9
A) 5 B) -13 C) 15 D) -3
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