1.	What is the value of the determinant?
		A.	-3	B.	-8
		C.	-12	D.	12
		Hint
	2.	Use Cramer's rule to find the value of x in the system of equations.
		A.		B.
		C.		D.
		Hint
	3.	Use Cramer's rule to find the value of n in the system of equations.
		A.		B.
		C.	-22	D.
		Hint
	4.	Determine which matrix has a determinant.
		A.		B.	[1 -4 -8]
		C.		D.
		Hint
	5.	Find the determinant of
		A.	-16	B.	0
		C.	-11	D.	-21
		Hint