1.	The product of two rational numbers with different signs is ______.
		A.	always -1	B.	always negative
		C.	negative or positive depending upon the rational numbers that are factors	D.	always positive
		Hint
	2.
		A.		B.
		C.		D.
		Hint
	3.
		A.		B.
		C.		D.
		Hint
	4.	The product of -1 and any number is called the number's ______.
		A.	rational inverse	B.	factor term
		C.	closure product	D.	additive inverse
		Hint
	5.	Find the product -8(2.8).
		A.	22.4	B.	10.8
		C.	-10.8	D.	-22.4
		Hint