Math 101	Intermediate Algebra
Chapter 7 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 20, 24, 30, 36, 38 (hint: factor numerator by grouping), 48, 52, 56, 58, 60, 64, 68, 72, 74, 82, 84 Section 2 4, 8, 10, 14, 18, 22, 24, 32, 36, 40, 44, 52, 54, 58, 60, 64 Section 3 2, 4, 6, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 42 Section 4 4, 6, 8, 10, 12, 16, 18, 24, 26, 30, 32, 34, 36, 38, 40, 42

Section 1
Num	Answer		Num	Answer
20	x - 2y 5		58	2 3
24	2x + 3 x + 1		60	x + 5 2
30	x		64	x + 9 x - 15
36	a2 + ab + b2 a + b		68	3x + 1 x - 1
38	x - 2		72	1
48	20x4 y6		74	(2a - 1)(a - 1)
52	10 a4		82	-2( x + 2) x2
56	5x5y4 6		84	(x + 2)(3x + 1) (2x - 3)(x + 1)

Section 2
Num	Answer		Num	Answer
4	-1		36	5x2 + 4x - 16 (x - 4)(x + 1)
8	x - 5		40	-2x - 7 (x - 4)(x + 4)(2x - 3)
10	x + 4 x - 4		44	3(x + 1) 2x - 3
14	(x - 4)(x + 3)		52	8p + 1 (p + 1)(p - 1)
18	(x - 2)(x + 2)(x - 7)		54	4x2 + 23x + 52 (x + 4)2(x - 4)
22	(x - 3)(2x - 1)(2x + 3)		58	26r2 + 13r - 43 (4r - 5)(2r + 3)
24	3x + 12 2x2		60	11x - 37 (x - 9)(x - 4)(2x + 1)
32	a2 b(a - b)		64	-16r2 + 20r (2r - 1)2

Section 3
Num	Answer		Num	Answer
2	35 304		20	x2(x - y)
4	6 7		22	-a + 1 (a + 1)(2a + 1)
6	y - x xy		24	x - 1 x + 1
12	x(y - 1) x + 1		26	a2 + 1 2a
14	5 3a2		28	x 5(x - 3)
16	x - y y		30	x2 + 5x - 6 x(x - 2)
18	x + 2 2x2 + 1		42	(5y + x)(x - y) xy

Section 4
Num	Answer		Num	Answer
4	30		26	1, -8
6	1		30	3
8	5		32	-5
10	30		34	30
12	5		36	no solution
16	3		38	2
18	-3		40	12 5
24	9 7		42	- 4 3