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