1.	Solve for n by the method of determinants.
		A.		B.
		C.		D.
		Hint
	2.	Solve by the method of determinants.
		A.	(0.4, 0.2)	B.	(-0.2, 0.4)
		C.	(-0.2, -0.4)	D.	(-0.4, -0.2)
		Hint
	3.	Solve by the method of determinants.
		A.		B.
		C.		D.
		Hint
	4.	Which of the following cannot be true concerning solving a system of equations by determinants?
		A.		B.
		C.	ed - bf = 0	D.
		Hint
	5.	Solve by the method of determinants. Round to the nearest hundredth.
		A.	(-1.86, -2.20)	B.	(1.86, 2.20)
		C.	(1.68, 4.40)	D.	(2.46, 1.20)
		Hint