1.	Determine which matrix has a determinant.
		A.		B.	[1 -4 -8]
		C.		D.
		Hint
	2.	For the determinant , which is the minor of -4?
		A.		B.
		C.		D.
		Hint
	3.	Evaluate using expansion by minors.
		A.	64	B.	68
		C.	80	D.	14
		Hint
	4.	Evaluate using diagonals.
		A.	21	B.	33
		C.	37	D.	107
		Hint
	5.	Evaluate
		A.	111	B.	37
		C.	–654	D.	–51
		Hint