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