1.	Simplify .
		A.		B.
		C.	z + 4	D.
		Hint
	2.	Find .
		A.		B.
		C.		D.	2
		Hint
	3.	Find .
		A.		B.
		C.		D.	c + 2
		Hint
	4.	Find .
		A.		B.
		C.	2	D.
		Hint
	5.	Find .
		A.		B.
		C.		D.
		Hint
	6.	Find an expression for the perimeter of the rectangle.
		A.		B.
		C.		D.
		Hint
	7.
		A.		B.
		C.		D.
		Hint
	8.
		A.		B.
		C.		D.
		Hint
	9.	Which of the following is not true concerning inverse variation?
		A.	x1y1 = x2y2	B.	Its graph is defined for x = 0.
		C.	There is some nonzero constant k such that xy = k	D.	As y increases, x decreases
		Hint
	10.	If y varies inversely as x and y = 14 when x = 3, what is x when y = 84?
		A.	2	B.	28
		C.		D.	6
		Hint
	11.	Simplify . State the excluded values of x.
		A.	, excluded values are 1 and 3	B.	, excluded values are 1 and 3
		C.	, excluded value is 3	D.	, excluded value is 3
		Hint
	12.	Find
		A.		B.
		C.		D.
		Hint
	13.	A builder wants the kitchen to have an area of x2 – 2x – 24, and a length of x + 4. What is the width?
		A.	x + 6	B.	6
		C.	– 6	D.	x – 6
		Hint
	14.	Find .
		A.		B.
		C.		D.
		Hint
	15.	Find the LCM of 8x2y2z and 12xy3z2.
		A.	24x2y3z2	B.	24x2y3z
		C.	48x2y3z	D.	48x2y3z2
		Hint
	16.	Find the LCM of x2 – 5x + 6 and x2 + 4x – 12.
		A.	(x – 3)(x + 6)
		B.	(x – 3)(x – 6)(x – 2)
		C.	(x – 3)(x + 6)(x – 2)
		D.	(x – 3)(x + 6)
		Hint
	17.	Suppose one runner can run 8 laps in 12 minutes, and another runner can run 8 laps in 10 minutes. If they start at the same time, after how many laps by the fast runner will he lap the slow runner?
		A.	after 8 laps	B.	after 6 laps
		C.	after 5 laps	D.	after 7.5 laps
		Hint
	18.	Solve
		A.	4 only	B.	{–3, 1}
		C.	{–1, 4}	D.	–3 only
		Hint