1.	The values in the graph below are _______
		A.	integers.	B.	natural numbers.
		C.	rational numbers.	D.	irrational numbers.
		Hint
	2.	Solve 2(y - 9) < 6.
		A.	{y | y > -6}	B.	{y | y < 12}
		C.	{y | y > 12}	D.	{y | y < 6}
		Hint
	3.	Solve
		A.		B.
		C.		D.
		Hint
	4.	Choose the graph that is not a function.
		A.		B.
		C.		D.
		Hint
	5.	Which equation is graphed below?
		A.	x + 3y = 6	B.	3x + y = 6
		C.	3x - y = -6	D.	x - 3y = -6
		Hint
	6.	State the slope of the line graphed below.
		A.		B.
		C.		D.
		Hint
	7.	Solve the system of equations by using substitution.
		A.	(4, 9)	B.	(5, 11)
		C.	(1, 3)	D.	(3, 7)
		Hint
	8.	What is the solution of the system of inequalities?
		A.	region 3	B.
		C.	region 1	D.	region 2
		Hint
	9.	Find C + D if C = [14 8 -1] and D = [-10 8 15].
		A.	[24 16 14]	B.	[24 0 -16]
		C.	[4 16 14]	D.	[4 0 -16]
		Hint
	10.	Write the translation matrix for and its image
		A.		B.
		C.		D.
		Hint
	11.	Evaluate using diagonals.
		A.	33	B.	107
		C.	21	D.	37
		Hint
	12.	Determine which matrix is the 3 × 3 identity matrix.
		A.		B.
		C.		D.
		Hint
	13.	Does the inverse of exist? If it does not exist, explain why not.
		A.	No; the determinant equals 0.
		B.	No; the elements of the principal diagonal are not 1.
		C.	Yes
		D.	No; the matrix is not square.
		Hint
	14.	Solve using inverse matrices.
		A.	(-4, 4)	B.	(4, -4)
		C.	(4, 4)	D.	(-4, 0)
		Hint
	15.	Evaluate p · (p + 3q) – r if p = -7, q = 4, and r = -16.
		A.	77	B.	45
		C.	-51	D.	-19
		Hint
	16.	Solve the inequality | 6x + 2 | < 5.
		A.		B.
		C.		D.
		Hint
	17.	Is the relation shown in the graph a function? Why or why not?
		A.	No, the relation contains the ordered pairs (0, -1) and (3, -1).
		B.	Yes, the relation contains very few ordered pairs.
		C.	No, the relation contains the ordered pairs (3, -1) and (3, 2).
		D.	Yes, the ordered pairs (-3, 2), (-1, 1), and (3, -1) form a straight line.
		Hint
	18.	What is the slope of the line with equation
		A.	-7	B.
		C.	7	D.
		Hint
	19.	At a firm, there are three workers that are supposed to work a combined 110 hours per week. Worker 1 gets paid $10 per hour, worker 2 gets paid $12 per hour, and worker 3 gets paid $14 per hour. If the company wants their total income to be $1268, how many hours should each one work if worker 3 and worker 2 work for the same amount of hours?
		A.	worker 1: 40worker 2: 35worker 3: 35	B.	worker 1: 54worker 2: 28worker 3: 28
		C.	worker 1: 44worker 2: 33worker 3: 33	D.	worker 1: 14worker 2: 48worker 3: 48
		Hint
	20.	Evaluate
		A.	–654	B.	111
		C.	37	D.	–51
		Hint