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 1	B.
		C.	region 3	D.	region 2
		Hint
	3.	Solve the system of inequalities by graphing.
		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.	Their slopes are opposite reciprocals.
		C.	Each slope is negative.	D.	Their slopes are equal.
		Hint
	5.	Which of the following is not a vertex of the figure formed by
		A.	(0, 2)	B.	(2, –1)
		C.	(6, 4)	D.
		Hint