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A12
Answers to Odd-Numbered Exercises, Quizzes, and Tests
5. (a)
2
3
4
5
6
7
8
−2
−1
0
1
22. Perimeter: 2l 20.6l 3.2l, 144;
−3
(b)
−6
−5
−4
3
4
−1
0
−4
−3
9. <
17. 7.2
11
21
1
2
3
−2
−1
0
−2.4
(d)
7. <
Area: l0.6l 0.6l 2, 1215
−3
(c)
25.
21. 2n 2n 2 4n 2
4
1
11. 14
19. 11
1
6
27.
33. 4200
13. 7.3
29.
31. 28
1
20
35.
23. 41.8
21. 230
17
8
15. 5
37. 14
39. 2
41. 3 3 3 3 3 3 3
43. 88
53. 20
45. 6 7
55. 98
49. 16
47. 1296
57. 1,165,469.01
61. Additive Inverse Property
51.
1
8
59. $800
63. Distributive Property
65. Associative Property of Addition
67. Commutative Property of Multiplication
75. 4y3, y2,
73. 8a 3a2
71. u 3v
69. Distributive Property
17
17
y; 4, 1,
2
2
1
77. 1.2x3, , 52; 1.2, 1, 52
x
79. 9x
83. 5x 10
81. 5v
87. 15a 18b
85. 5x y
This page contains answers for this chapter only.
89. (a) 0 (b) 3
91. (a) 19 (b) 8
93. 12 2n
95. y2 49
97. The sum of two times a number and 7
99. The difference of a number and 5, divided by 4
103. ll 5 l 2 5l
101. 0.18I
Chapter Test
(page 55)
1. (a) < (b) >
1
4. 2
8.
4
27
2. 11.3
5. 150
27
9. 125
3. 20
6. 60
7.
1
6
10. 15
11. (a) Associative Property of Multiplication
(b) Multiplicative Inverse Property
12. 12x 6
2
15. a
13. 2x 2 5x 1
14. x2 26
16. 11t 7
17. Evaluating an expression is solving the expression when
values are provided for its variables.
(a) 23 (b) 7
18. 6 inches
19. 640 cubic feet
20. 5n 8
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