1.	Solve .
		A.	5, 1	B.	5
		C.	5, 2	D.	2
		Hint
	2.	Solve .
		A.	4	B.	8
		C.	-10	D.	-6
		Hint
	3.	Solve .
		A.	2	B.	1
		C.	3	D.	0
		Hint
	4.	Solve 4.
		A.	x 0	B.	none of these
		C.	x 8	D.	0 x 8
		Hint
	5.	Solve the equation = y.
		A.	None is correct.	B.	3, 9
		C.	3	D.	-3
		Hint