Math 101 Intermediate Algebra
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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
Num Answer Num Answer
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
Num Answer Num Answer
6 7
4
38
h =  V 
r2
8 Square root of 145,
about 12.04
42
r = A - P
Pt
22
y = (x - 3)
2
50 R1 = 2RT - R2
24
y = (8x - 3)
2
54
C = 5
9
(F - 32)
26
y = (-9x + 15)
5
58
y =   -x  
x - 2
28
y = (2x + 5)
10
80
b = 3a + 4
2a + 5


Section 3
Num Answer Num Answer
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
Num Answer Num Answer
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
Num Answer Num Answer
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 | 3
2
  <  x  <   25
2
}
60 [2, )


Section 6
Num Answer Num Answer
6 { -6, 4 } 30 [-2, 3]
12 { -8, 0 } 32 [-1, 7]
14 { -17, 23 } 38 (-, 2] [8, )
16 { 3 } 68 [-1, 6]
22 (2, 12) 78 [-9, 11]
24 (-2, 8) 82 { -28, 32 }
28 Ø 84 { 12, -2 }