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.	The distance d between any two points with coordinates (x1, y1) and (x2, y2) is given by the formula _____.
		A.
		B.
		C.
		D.
		Hint
	3.	The coordinates of two points on a map are (6, 0) and (4, 9). What is the distance between the two locations to the nearest tenth?
		A.	3.3 units	B.	8.8 units
		C.	9.2 units	D.	13.5 units
		Hint
	4.	Simplify .
		A.	21	B.
		C.		D.	147
		Hint
	5.	Find the exact perimeter of quadrilateral QUAD.
		A.		B.
		C.		D.
		Hint
	6.	Solve .
		A.	10	B.	-7 and 10
		C.	7 and 10	D.	-7
		Hint
	7.	Solve .
		A.	7	B.	-7 and 13
		C.	13	D.	7 and 13
		Hint
	8.	Which graph best represents -?
		A.
		B.
		C.	irrational
		D.
		Hint
	9.	Simplify .
		A.		B.
		C.		D.
		Hint
	10.	Which of the following is not a reason that cannot be simplified further?
		A.	The radicands are not in simplest form.
		B.	Each radicand is in its simplest form.
		C.	The radicands are different.
		D.	There are no common factors.
		Hint