1.	Which number is not a perfect square?
		A.	9	B.	25
		C.	49	D.	27
		Hint
	2.	Find .
		A.	14	B.	-15
		C.	15	D.	-14
		Hint
	3.	Find a number that when squared equals 484.
		A.	22 only	B.	None of these is correct
		C.	22 or -22	D.	-22 only
		Hint
	4.	Solve the equation x2 = 0.81.
		A.	x = 0.9 or x = -0.9
		B.	none of these is correct
		C.	x = 0.9 only
		D.	x = -0.9 only
		Hint
	5.	Solve x2 = 256.
		A.	x = 16	B.	x = 65,536
		C.	x = 64	D.	x = 128
		Hint