Math 101	Intermediate Algebra
Chapter 4 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, 14, 16, 30, 40, 42, 46, 50, 62, 60, 66, 68, 72 Section 2 2, 8, 12, 16, 18, 20 Section 3 6, 8, 12, 14, 20, 26, 34, 36, 38

Section 1
Num	Answer		Num	Answer
2	only (a)		46	(4, 0)
4	both (a) and (b)		50	(7, -5)
14	dependent, infinite number		52	(2, 4)
16	consistent, one solution		60	(6, -5)
30	(-2, 0)		66	(-14, 11)
40	(3, -1)		68	(-1, -2)
42	(1, -3)		72	(4, 3)

Section 2
Num	Answer		Num	Answer
2	(-3, 5, -4)		16	(-1, -2, 3)
8	(4, 1, 2)		18	(0, 0, 0)
12	(2, 0, -3)		20	(4, 6, 8)

Section 3
Num	Answer		Num	Answer
6	12 ft 38 ft		26	a = 5 b = -7
8	salary $500 commission 4%		34	car 50 mph truck 40 mph
12	17.3 lb @ %5.20 12.7 lb @ $6.30		36	2, 4, 6
14	$2500 @ 8% $5500 @ 10%		38	a = -1 b = 4 c = -3
20	130 adults 42 children