1.	Determine whether the number is rational or irrational.
		A.	rational	B.	neither
		C.	irrational	D.	both
		Hint
	2.	Simplify .
		A.		B.
		C.		D.
		Hint
	3.	Simplify
		A.		B.
		C.		D.
		Hint
	4.	Evaluate.
		A.	6	B.	5
		C.	8	D.	–6
		Hint
	5.	Evaluate.
		A.	–3	B.	3
		C.	–2	D.	2
		Hint