1.	Find the determinant of
		A.	-11	B.	-21
		C.	0	D.	-16
		Hint
	2.	Which equation is the slope-intercept form of the equation of the line that passes through (1, 2) and is parallel to 4x - 2y = 6?
		A.	y = -2x + 1	B.
		C.	y = 2x	D.	y = 4x + 3
		Hint
	3.	Use substitution to solve the system of equations given below.
		A.	(-5, 5)	B.
		C.	infinitely many solutions	D.	no solution
		Hint
	4.	Use elimination to solve the system of equations given below. 5x + 3y = 3 3x + 4y = 15
		A.	(5, 0)	B.
		C.	(3, -4)	D.	(-3, 6)
		Hint
	5.	The sum of two numbers is –11. Twice the first number minus four times the second number is –10. What are the two numbers?
		A.	-9, -2	B.	-15, 4
		C.	-6, -5	D.	-8, -3
		Hint
	6.	Which is the graph of the system of equations? x + y = 4 2x - y = 2
		A.		B.
		C.		D.
		Hint
	7.	Which system of equations is shown in the graph?
		A.	2x + y = 9 x - y = 6	B.	3x - y = 1 x + 2y = 12
		C.	x - 3y = -13 x + y = 1	D.	2x - 6y = 1 7x + 4y = -2
		Hint
	8.	Write the slope-intercept form of an equation for a line perpendicular to the graph of y = -3x + 5 and passes through the x-intercept of that line.
		A.		B.
		C.		D.
		Hint
	9.	Find the value of the determinant of
		A.	2	B.	–32
		C.	6	D.	64
		Hint
	10.	Use substitution to solve the system of equations given by y = and 28x – 32y = -8.
		A.	no solution	B.	(2, 2)
		C.	(1, 1)	D.	infinitely many solutions
		Hint
	11.	Which point is in the solution set of and y > -2x – 1.
		A.	(-2.8, 4.6)	B.	(-6, 5)
		C.	(-2, 8)	D.	(0, 3)
		Hint
	12.	Which point is not in the solution set of y < 7x + 6 and y < -7x + 6.
		A.	(1, -5)	B.	(2, -15)
		C.	(0, 2)	D.	(-1, 6)
		Hint
	13.	Using the directed graph, what is the fewest number of transfers possible to get from the Fitchburg plant to the Lowell plant?
		A.	0	B.	1
		C.	2	D.	3
		Hint
	14.	How many ways can supplies be transferred directly to Providence from other cities?
		A.	2	B.	1
		C.	0	D.	3
		Hint