Math 101	Intermediate Algebra
Chapter 5 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 2, 4, 6, 8, 10, 12, 14, 18, 22, 24, 26, 28, 30, 38, 42, 46, 50, 54, 58, 62, 66, 70, 80 - 106 even Section 2 2 - 50 even Section 3 6, 8, 12, 16, 20, 22, 24, 30, 32, 40, 42, 46, 48, 50, 52, 54, 56, 60, 62, 64, 68, 76, 82, 84, 86, 88, 96, 100, 102, 104 Section 4 8, 10, 14 - 38 even, 42 Section 5 2 - 22 even

Section 1
Num	Answer		Num	Answer
2	x		58	4 x3
4	3y2 5		62	1 2y4z3
6	6x4y		66	2xy2 z
8	4y x3z4		70	10xz3 3y4
10	5xy5z3		80	9 × 102
12	xyz 5		82	4.62 × 10-5
14	5		84	5.26 × 109
18	3		86	9.14 × 10-6
22	1 16		88	40,000,000
24	-1 16		90	0.000000964
26	-1 125		92	46
28	1 125		94	73,000
30	-5 12		96	0.000064
38	1 x		98	500,000
42	1 x11		100	3000
46	x2		102	6.9 × 108
50	12y3 x7		104	4.0 × 107
54	3x2y		106	8.0 × 105

Section 2
Num	Answer		Num	Answer
2	1 9		28	x4y2 9
4	1 x15		30	1 64x21y3
6	x2		32	125x3y3z6
8	-1 x3		34	45x11y8
10	3 x8		36	4x7y6 z4
12	16 9		38	x2 y10
14	8		40	4 3x3y3
16	81x8y4		42	x7y5
18	1 25x2y6		44	y12 16x6z16
20	x4 9y2		46	-8 x12y16z3
22	3 x8y4		48	27 128x29y15
24	27x6y12 z3		50	768x4y8z2
26	x3 8y3

Section 3
Num	Answer		Num	Answer
6	not polynomial		56	5x4 + 29x3 + 14x2 - 28x + 10
8	binomial		60	x3 - 6x2 + 12x - 8
12	4x3 - 3x2 + x - 4 third		62	x2 + 4x + 4
16	2x + 5		64	16x2 - 4y2
20	2x2 + 8x + 5		66	9x4 - 16y2
22	8y2 - 5y - 3		68	a2 - b2 - 4b - 4
24	8x2 + x + 4		76	2 15 a9b5c17
30	4r2 - r		82	16x2 - 40xy + 25y2
32	5x2 - 9x - 3		84	2x3 + 10x2 + 9x - 9
40	-6x5y10		86	5x3 - x2 + 16x + 16
42	6y5 + 4y4 - 12y3		88	9w4 - 16
46	2x7y3 + 1.5x3y - 3x2y3		96	x3 + 9x2 + 27x + 27
48	x2 - y2		100	(a) x2 + 11x + 30 (b) x2 + 11x + 30
50	x2 + 23  6 xy - 2 3 y2		102	50 - 2x2
52	-9x2y3 - 3xy2 + 12x2y2 + 4xy		104	(a) 29x + 23 (b) 216 in2, 77 in2
54	-14x3 - 22x2 + 19x - 3

Section 4
Num	Answer		Num	Answer
8	2x - 3y		26	3x3 + 6x + 4
10	3x6 - x3 + 6		28	x + 4
14	x + 2		30	2x + 4
16	x - 2		32	2x2 - x - 4
18	2r + 3		34	x + 5
20	x2 + 2x + 3 + 1 x + 1		36	x + 5
22	3x2 - 3x + 1 + 2 3x + 2		38	-x2 - 7x - 5 - 8 x - 1
24	2x2 + x - 2 - 2 2x - 1		42	3x3 - 8x2 - 5

Section 5
Num	Answer		Num	Answer
2	Quotient x - 8 Remainder 0		14	Quotient y3 + y2 + y + 1 Remainder 0
4	Quotient x + 8 Remainder 0		16	Quotient 2x3 + 6x2 + 17x + 56 Remainder 156
6	Quotient 2x + 3 Remainder 33		18	Quotient z4 + 3z3 - 3z2 + 3z - 3 Remainder -7
8	Quotient x2 + x - 1 Remainder -2		20	Quotient 8x2 - 12x + 4 Remainder 0
10	Quotient x2 - 5x - 23 Remainder -41		22	Quotient 9y2 + 3y - 3 Remainder 4
12	Quotient 3x3 + 9x2 + 2x + 6 Remainder -2