1.	Solve the system of inequalities by graphing.
		A.		B.
		C.		D.
		Hint
	2.	What is the solution of the system of inequalities?
		A.	region 2	B.	region 3
		C.	region 4	D.	region 1
		Hint
	3.	Which graph represents the following system:
		A.		B.
		C.		D.
		Hint
	4.	Which of the following is always true about inequalities whose graphs do not overlap?
		A.	Each slope is positive.	B.	Each slope is negative.
		C.	Their slopes are opposite reciprocals.	D.	Their slopes are equal.
		Hint
	5.	Which of the following is not a vertex of the figure formed by
		A.	(0, 2)	B.	(6, 4)
		C.	(2, –1)	D.
		Hint