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