1.	Solve the system of equations by graphing.
		A.	(2, 6)	B.	(2, -6)
		C.	(6, 2)	D.	(-6, 2)
		Hint
	2.	Solve the system of equations by graphing.
		A.	(-1, 7)	B.	infinitely many solutions
		C.	no solution	D.	(0, 3)
		Hint
	3.	Solve the system of equations by using substitution.
		A.	(4, 9)	B.	(1, 3)
		C.	(5, 11)	D.	(3, 7)
		Hint
	4.	Solve the system of inequalities by graphing.
		A.		B.
		C.		D.
		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.	-28	D.	14
		Hint
	6.	Josh has 40 minutes to complete a government exam. There are 15 multiple-choice questions worth 3 points each. There are also 5 short-answer questions worth 11 points each. It takes about 2 minutes for Josh to answer the multiple-choice questions m and about 8 minutes to complete the short-answer questions s. The system of inequalities that represents this problem is graphed below. Which ordered pair is not a vertex of the feasible region?
		A.	(15, 0)	B.	(0, 5)
		C.	(20, 0)	D.	(0, 0)
		Hint
	7.	Solve the system of equations.
		A.	(13, 0, -4)	B.	(10, -1, 11)
		C.	(1, -4, 6)	D.	(7, -2, 1)
		Hint
	8.	Solve the system of equations.
		A.	infinite number of solutions	B.	(0, -2, 7)
		C.	no solution	D.	(1, 1, 2)
		Hint
	9.	Which is true for the following system of equations? 3x - y = 1 x + 2y = 7.
		A.	y < x	B.	y > x
		C.	cannot be determined from information given	D.	y = x
		Hint
	10.	Which point is not in the solution set of
		A.	(6, 1)	B.	(9, –1)
		C.	(14, –3)	D.	(1, –1)
		Hint