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