1.	Solve the system of equations by graphing.
		A.	(2, -6)	B.	(2, 6)
		C.	(6, 2)	D.	(-6, 2)
		Hint
	2.	What is the first step in solving the system of equations using the elimination method?
		A.	Subtract the second equation from the first equation.
		B.	Multiply the second equation by 2.
		C.	Solve the first equation for x.
		D.	Add the equations.
		Hint
	3.	Choose the graph that shows the solution to the system of inequalities and
		A.		B.
		C.		D.
		Hint
	4.	What is the solution of the system of inequalities?
		A.	region 2	B.
		C.	region 3	D.	region 1
		Hint
	5.	Which is not a point at which a maximum or minimum value of a function could occur for the feasible region?
		A.	(1, 5)	B.	(-3, 0)
		C.	(0, 3)	D.	(-3, 6)
		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.	Solve the system of equations.
		A.	(1, -4, 6)	B.	(13, 0, -4)
		C.	(10, -1, 11)	D.	(7, -2, 1)
		Hint
	8.	Which of the following systems of equations is not consistent and independent?
		A.	y + 4x = 10 6y + 24x = 60
		B.	2y + 4x = 3 7y + 5x = 18
		C.	7y + x = 9 3y + 9x = 4
		D.	–y – 5x = 1 4y + 3x = 8
		Hint
	9.	Which is true for the following system of equations? 3x - y = 1 x + 2y = 7.
		A.	y < x	B.	y > x
		C.	y = x	D.	cannot be determined from information given
		Hint
	10.	Solve the system 4y – 6x + 8z = 13, 10y – 15x + 20z = 6, y – 5x + 2z = 5.
		A.		B.	no solution
		C.	(-3, 1, 7)	D.	infinite solutions
		Hint