1.	Solve .
		A.	0	B.	no real solution
		C.	-1	D.	2
		Hint
	2.	Solve .
		A.	-1	B.	-4
		C.	-4, -1	D.	no real solution
		Hint
	3.	Solve .
		A.	-1, 3	B.	1, 3
		C.	-1	D.	3
		Hint
	4.	Solve.
		A.	{1, –1}	B.	–1
		C.	no solution	D.	1
		Hint
	5.	Suppose the formula represents the relationship between a plane's length L and the pounds P its wings can lift, where k is a constant of proportionality calculated for a plane. If its wings are 150 feet and k = 0.1669, what range of values are possible for weight?
		A.	greater than 3755 pounds	B.	less than 134,811 pounds
		C.	greater than 134,811 pounds	D.	less than 3755 pounds
		Hint