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