1.	The time t in seconds it takes for a pendulum to complete one full swing (back and forth) is given by the equation , where is the length of the pendulum in meters. Suppose a pendulum has a length of 20 meters. How long does it take the pendulum to complete one full swing? (Round to the nearest tenth of a second.)
		A.	5.1 seconds	B.	3.6 seconds
		C.	12.8 seconds	D.	9.0 seconds
		Hint
	2.	Find the distance between points C(-2, -5) and D(3, -5).
		A.		B.	25
		C.		D.	5
		Hint
	3.	Simplify .
		A.		B.
		C.		D.
		Hint
	4.	Which of the following exressions cannot be simplified?
		A.		B.
		C.		D.
		Hint
	5.	Find the exact perimeter of quadrilateral QUAD.
		A.		B.
		C.		D.
		Hint
	6.	Solve .
		A.	6	B.	9 and 12
		C.	12	D.	6 and 12
		Hint
	7.	Select the set of numbers to which 4 does not belong.
		A.	integers
		B.	irrational numbers
		C.	rational numbers
		D.	whole numbers
		Hint
	8.	Find the value of b if R(2, 3) is 7 units away from S(-4, b).
		A.	b = -0.6056
		B.	b = 6.6056
		C.	b = -0.6056 or b = 6.6056
		D.	no solution
		Hint
	9.	Simplify .
		A.		B.
		C.		D.
		Hint
	10.	Solve .
		A.	d = 4	B.	d = 7
		C.	no solution	D.	d = 7 and d = 4
		Hint