1.	Determine which matrix has a determinant.
		A.		B.
		C.		D.	[1 -4 -8]
		Hint
	2.	For the determinant , which is the minor of -4?
		A.		B.
		C.		D.
		Hint
	3.	Find the determinant of
		A.	-11	B.	-21
		C.	-16	D.	0
		Hint
	4.	Evaluate using expansion by minors.
		A.	64	B.	80
		C.	14	D.	68
		Hint
	5.	Evaluate using diagonals.
		A.	33	B.	107
		C.	37	D.	21
		Hint