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.	(1, 0)
		C.	(0, 1)	D.	(1, 1)
		Hint
	3.	Find the range of the relation graphed below.
		A.	{-3, 0, 1, 3}	B.	{-1, 0, 4, 5}
		C.	{-3, -1, 1, 3, 4}	D.	{-3, -1, 0, 1, 3, 4}
		Hint
	4.	Write the relation whose graph is shown below as a set of ordered pairs.
		A.	{(-4, -3, -2, 0, 2), (-4, -3, -1, 0, 3, 4)}
		B.	(-4, -3), (-3, 0), (-2, 4), (0, -4), (2, 3), (2, -1)
		C.	(-3, -4), (0, -3), (4, -2), (-4, 0), (3, 2), (-1, 2)
		D.	{(-4, -3, -1, 0, 3, 4), (-4, -3, -2, 0, 2)}
		Hint
	5.	Graph the relation.
		A.		B.
		C.		D.
		Hint