1.	The system of equations on the graph shown is
		A.	consistent and independent.
		B.	consistent.
		C.	inconsistent.
		D.	consistent and dependent.
		Hint
	2.	Solve the system of equations by using substitution.
		A.	(4, 9)	B.	(3, 7)
		C.	(5, 11)	D.	(1, 3)
		Hint
	3.	Solve the system of equations.
		A.		B.
		C.		D.
		Hint
	4.	Find the minimum value of f(x, y) = 4x - 2y for the polygonal region determined by the feasible region.
		A.	-14	B.	-28
		C.	14	D.	27
		Hint
	5.	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
	6.	A graph of a system of three linear equations in three variables is shown below. How many solutions does the system have?
		A.	1	B.	2
		C.	0	D.	infinite number
		Hint
	7.	Determine which ordered triple is a solution of the system of equations.
		A.	(0, 1, -14)	B.	(0, 0, 11)
		C.	(-1, 2, -16)	D.	(1, -2, 6)
		Hint
	8.	Which of the following systems of equations is inconsistent?
		A.	y = 7x – 2 y = –2x – 5
		B.	3y + 2x = 13 6y + 4x = 3
		C.	4y – x = 12 3y – 2x = 1
		D.	y = 2x – 3 y = –3x + 4
		Hint
	9.	Which point is not in the solution set of
		A.	(6, 1)	B.	(14, –3)
		C.	(9, –1)	D.	(1, –1)
		Hint
	10.	Find the coordinates of the vertices of the figure formed by
		A.	(–4, 0), (3, 4), (5, 2)	B.	(–3, 0), (3, 4), (5, 2)
		C.	(–4, 0), (5, 4), (5, 2)	D.	(–3, 0), (5, 4 ), (5, 2)
		Hint