1.	Determine the most specific set of numbers to which -8.3 belongs.
		A.	real numbers	B.	integers
		C.	rational numbers	D.	whole numbers
		Hint
	2.	Solve the equation r2 = 38 to the nearest tenth. Is the answer rational or irrational?
		A.	both of these
		B.	neither of these
		C.	or ; irrational
		D.	or ; rational
		Hint
	3.	Solve the equation 160 = k2. Round your answer to the nearest tenth.
		A.	12.6, -12.6	B.	25.3, -25.3
		C.	40.0, -40.0	D.	7.2, -7.2
		Hint
	4.	Order and from least to greatest.
		A.
		B.
		C.
		D.
		Hint
	5.	Solve a2 = 78. Round your answer to the nearest tenth.
		A.	a = 8.8, -8.8	B.	a = 8.2, -8.2
		C.	a = 9.4, -9.4	D.	a = 6.9, -6.9
		Hint