1.	State the solution of the system of equations graphed below.
		A.	(3, 1)	B.	(-1, 3)
		C.	(3, -1)	D.	(0, 3)
		Hint
	2.	Use the elimination method to solve the system of equations.
		A.		B.
		C.		D.
		Hint
	3.	Solve the system of equations.
		A.		B.
		C.		D.
		Hint
	4.	What is the solution of the system of inequalities?
		A.	region 1	B.	region 3
		C.	region 2	D.	region 4
		Hint
	5.	Find the minimum value of f(x, y) = 4x - 2y for the polygonal region determined by the feasible region.
		A.	14	B.	27
		C.	-14	D.	-28
		Hint
	6.	Selena has 31 days to complete her quilt for the county fair. The blue squares in the quilt can be sewn at a rate of 4 squares per day, and the white squares at a rate of 7 squares per day. The quilt can have up to 96 squares total. The blue fabric b costs about $0.80 per square and the white fabric w costs about $1.20 per square. Selena wants to keep costs at a minimum. Write an inequality that expresses the total number of squares to be sewn.
		A.		B.
		C.		D.
		Hint
	7.	The solution of a system of three linear equations in three variables, x, y, and z, is called a(n) ____ (x, y, z).
		A.	ordered pair	B.	sum
		C.	integer	D.	ordered triple
		Hint
	8.	Determine which ordered triple is a solution of the system of equations.
		A.	(0, 1, -14)	B.	(1, -2, 6)
		C.	(-1, 2, -16)	D.	(0, 0, 11)
		Hint
	9.	Which of the following systems of equations is not consistent and independent?
		A.	2y + 4x = 3 7y + 5x = 18
		B.	–y – 5x = 1 4y + 3x = 8
		C.	y + 4x = 10 6y + 24x = 60
		D.	7y + x = 9 3y + 9x = 4
		Hint
	10.	Which of the following is not a vertex of the figure formed by
		A.	(6, 4)	B.	(2, –1)
		C.		D.	(0, 2)
		Hint