1.	Simplify .
		A.		B.
		C.		D.
		Hint
	2.	Simplify .
		A.	4	B.
		C.		D.	16
		Hint
	3.	Find
		A.	1.1	B.	11
		C.	-1.1	D.	1.1
		Hint
	4.	Simplify:
		A.	16	B.
		C.	-16	D.	no real roots
		Hint
	5.	Which of the following is not a condition of a radical expression in simplest form?
		A.	No radicals appear in the denominator of a fraction.
		B.	No radicands contain fractions.
		C.	No radicals appear in the numerator of a fraction.
		D.	No radicands have perfect square factors other than 1.
		Hint