Test Bank in Conjunction with Intermediate Algebra with Applications & Visualization,Rockswold,3e

Answers to
Chapter Tests

,
, ANSWERS TO CHAPTER TESTS

Chapter 1, Test Form A


2 x3
1. (a) Rational number 13.
5 y2
(b) − 7 Irrational number
(c) 2.6 Rational number 1
14.
(d) 0 Whole number, Integer, 9a 6 b 4
Rational number
(e) −5 Integer, Rational number 15. 0.000026

2. Identity property 16. 7.43 × 106
3. 3a
17. S = {( −150, 25 ) , ( −100, 25 ) , ( 0, −25 ) ,
4. 9 (100,50 ) , (150, 0 )}
D = {−150, −100, 0,100,150}
5. −6
R = {−25,0, 25,50}
1
6.
6 18. y = 1 x
2

3
7. − 19.
2

7
8.
12

8
9. −
5

10. 9
20. −10D C
11. 1

1
12.
8




195

, 196 INTERMEDIATE ALGEBRA: Answers to Chapter Tests


Chapter 1, Test Form B


1. (a) 5 Natural number, Whole number, 13. 4 x 2 y 3
Integer, Rational number
0 27 x9
(b) Whole number, Integer, 14.
−2 8 y6
Rational number
(c) 1.3 Rational number
15. 72,500
(d) π Irrational number
5
(e)
2
Rational number 16. 4.62 × 10−4

2. Commutative property 17. S = {( −400, −200 ) , ( −200,500 ) , ( 0,100 ) ,
( 200, −300 )}
3. 4c
D = {−400, −200, 0, 200}
4. 16 R = {−300, −200,100,500}

5 18. y = 3 x
5.
6
19.
2
6.
3

7. −4

8. 0

1
9. −
8

10. 28 20. 20D C

1
11.
25

4
12.
9