1.	Two numbers grouped together like (2, 5) are called ______.
		A.	an ordered pair
		B.	y-coordinates
		C.	a coordinate system
		D.	x-coordinates
		Hint
	2.	State the domain of the relation {(-4, 3), (-2, -1), (0, 5), (1, -6)}.
		A.	{-6, -1, 3, 5}
		B.	{-4, -3, -2, -1, 0, 1}
		C.	{-4, -2, 0, 1}
		D.	{-6, -4, -2, -1, 0, 1, 3, 5}
		Hint
	3.	What is the range of the relation {(-1, 5), (2.3, 8.7), (5.1, -7.2),(6, -12.5)}.
		A.	{-12.5, -7.2, 5, 8.7}
		B.	{-12.5, -7.2, -1, 2.3, 5, 5.1, 6, 8.7}
		C.	{-6.5, -2.1, 4, 11}
		D.	{-1, 2.3, 5.1, 6}
		Hint
	4.	Find the range of the relation graphed below.
		A.	{-3, -1, 0, 1, 3, 4}	B.	{-3, 0, 1, 3}
		C.	{-3, -1, 1, 3, 4}	D.	{-1, 0, 4, 5}
		Hint
	5.	Graph the relation.
		A.		B.
		C.		D.
		Hint