1.	Two numbers grouped together like (2, 5) are called ______.
		A.	y-coordinates
		B.	a coordinate system
		C.	x-coordinates
		D.	an ordered pair
		Hint
	2.	The origin O is represented by which ordered pair?
		A.	(0, 0)	B.	(0, 1)
		C.	(1, 1)	D.	(1, 0)
		Hint
	3.	Name the point for the ordered pair (3, 1).
		A.		B.
		C.		D.
		Hint
	4.	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
	5.	Find the range of the relation graphed below.
		A.	{-1, 0, 4, 5}	B.	{-3, -1, 0, 1, 3, 4}
		C.	{-3, -1, 1, 3, 4}	D.	{-3, 0, 1, 3}
		Hint