1.	Determine which matrix has a determinant.
		A.		B.
		C.		D.	[1 -4 -8]
		Hint
	2.	Find the determinant of
		A.	-21	B.	-16
		C.	-11	D.	0
		Hint
	3.	Which equation has a graph perpendicular to the graph 3y = 2x - 9?
		A.		B.	2x + 3y = 4
		C.	y = 2x + 5	D.	3x + 2y = 7
		Hint
	4.	Use substitution to solve the system of equations given below.
		A.	(-10, -12)	B.	no solution
		C.	infinitely many solutions	D.	(-12, -10)
		Hint
	5.	Use elimination to solve the system of equations. -x + 2y = 18 x + 8y = -38
		A.		B.	(-5, -1)
		C.		D.	(-22, -2)
		Hint
	6.	Use elimination to solve the system of equations shown below. 2x - 4y = -5 3x + 4y = -15
		A.		B.
		C.		D.
		Hint
	7.	Which system of inequalities is graphed below?
		A.		B.
		C.		D.
		Hint
	8.	Use the graph below to determine if the given system of equations has one solution, no solution, or infinitely many solutions. If the system has one solution, name it.
		A.	no solution	B.	infinitely many solutions
		C.	one solution at	D.	one solution at (-6, 0)
		Hint
	9.	Write the slope-intercept form of an equation for the line that passes through (-8, -1) and is parallel to the graph of
		A.		B.
		C.		D.
		Hint
	10.	Solve the system of equations given by y = 2x + 2 and .
		A.	infinitely many solutions	B.	no solution
		C.	(-3, -4)	D.	(4, -6)
		Hint
	11.	Use substitution to solve the system of equations given by y = and 28x – 32y = -8.
		A.	infinitely many solutions	B.	(2, 2)
		C.	(1, 1)	D.	no solution
		Hint
	12.	Which point is not in the solution set of y < 7x + 6 and y < -7x + 6.
		A.	(0, 2)	B.	(2, -15)
		C.	(1, -5)	D.	(-1, 6)
		Hint
	13.	How many ways can supplies be transferred directly to Fitchburg from other cities?
		A.	4	B.	3
		C.	2	D.	1
		Hint
	14.	Which city has exactly two ways in which supplies can be transferred from other cities?
		A.	Providence	B.	Lowell
		C.	Boston	D.	Worcester
		Hint