Math 101 Intermediate Algebra

## Chapter 2 Homework

Try to do enough problems from a section until you're
comfortable doing problems of the kind found in that section.

Should you have trouble with the problems listed here, any of the odd numbered problems around these would be good to try--the answers are in the back of the book and you have a student solutions manual that shows you how to do them.

Section 1
14, 22, 30, 34, 44, 46, 50, 54, 60, 64, 70, 74, 82, 84, 88, 92

Section 2
6, 8, 22, 24, 26, 28, 38, 42, 50, 54, 58, 80

Section 3
2, 8, 12, 16, 34, 36, 42

Section 4
2, 4, 8, 14, 16, 24, 34

Section 5
4, 12 ,14, 26, 42, 44, 52, 54, 58, 60

Section 6
6, 12, 14, 16, 22, 24, 28, 30, 32, 38, 68, 78, 82, 84

Section 1
14 second 60 2
22 tenth 64 -5
30 7x + 5y - 7 70 16
9
34 cannot be simplified 74  2
15
44 4a + 2b + 10 82 7
9
46 2
5
84 15
4
50 -2
5
88 -6
54 -20 92 2

Section 2
6 7
4
38
 h = V  r2
8 Square root of 145,
42
 r = A - PPt
22
 y = (x - 3)2
50 R1 = 2RT - R2
24
 y = (8x - 3)2
54
 C = 59 (F - 32)
26
 y = (-9x + 15)5
58
 y = -x  x - 2
28
 y = (2x + 5)10
80
 b = 3a + 42a + 5

Section 3
2 25, 26 34 W = 4 ft
L = 7 ft
8 8.57 years 36 13 m by 13 m
12 75.2 weeks 42 18
16 \$20

Section 4
2 400 cc/hr 16 7.6 mph
4 6.4 cm 24 5 hours
8 12.2 sec 34 24 oz water
14 4 hours

Section 5
4 (a)
(b) (-2, 5)
(c) { x |   -2 < x < 5 }
44 { x |   -23 < x    2 }
12 52 { x |   x    4   or   x    6 }
14 54 { x |   x   >   -2 }
26 (2, ) 58 (-2, -1)
42
 { x | 32 <  x  < 252 }
60 [2, )

Section 6