1.	To what set of numbers does belong?
		A.	integers	B.	irrationals
		C.	whole numbers	D.	rationals
		Hint
	2.	Simplify
		A.		B.	72
		C.		D.
		Hint
	3.	Simplify:
		A.	-16	B.
		C.	16	D.	no real roots
		Hint
	4.	Find the result of
		A.		B.
		C.		D.
		Hint
	5.	Which of the following is not a condition of a radical expression in simplest form?
		A.	No radicands have perfect square factors other than 1.
		B.	No radicals appear in the numerator of a fraction.
		C.	No radicands contain fractions.
		D.	No radicals appear in the denominator of a fraction.
		Hint