1.	Solve .
		A.	-1	B.	5
		C.	0	D.	no real solution
		Hint
	2.	Solve .
		A.	2	B.	no real solution
		C.	0	D.	-1
		Hint
	3.	Solve .
		A.	no real solution	B.	-1
		C.	-4, -1	D.	-4
		Hint
	4.	Solve .
		A.	-1	B.	-1, 3
		C.	3	D.	1, 3
		Hint
	5.	The geometric mean of a number and 6 more than its opposite is 3. What is the number?
		A.	6	B.	0
		C.	3	D.	-3 or 3
		Hint