1.	Which number is not a perfect square?
		A.	27	B.	9
		C.	49	D.	25
		Hint
	2.	Find a number that when squared equals 484.
		A.	22 or -22	B.	-22 only
		C.	None of these is correct	D.	22 only
		Hint
	3.	Solve the equation x2 = 0.81.
		A.	x = 0.9 only
		B.	none of these is correct
		C.	x = 0.9 or x = -0.9
		D.	x = -0.9 only
		Hint
	4.	Solve x2 = 256.
		A.	x = 64	B.	x = 65,536
		C.	x = 128	D.	x = 16
		Hint
	5.	A square has an area of 1.21 cm2. What is the length of each side of the square?
		A.	1.4641 cm	B.	1.1 cm
		C.	0.605 cm	D.	1.05 cm
		Hint