
	1.	Which product is not defined?
		A.
		B.	[11 4 -3]
		C.	[16 12 5]
		D.
		Hint

	2.	Find the dimensions of A_{6 × 3} · B_{3 × 1}.
		A.	6 × 3	B.	3 × 3
		C.	3 × 1	D.	6 × 1
		Hint

	3.
		A.		B.	[10 37]
		C.		D.
		Hint

	4.	If and find 3A + 2B.
		A.		B.
		C.		D.
		Hint

	5.	Given that and use the fact that to find AB + AC.
		A.		B.
		C.		D.
		Hint