1.	Choose the matrix that represents the ordered triple (5, -7, 1).
		A.		B.	[5 -7 1]
		C.		D.	[1 -7 5]
		Hint
	2.	What are the dimensions of matrix A if
		A.	4 × 3	B.	4 × 4
		C.	3 × 3	D.	3 × 4
		Hint
	3.	Which of the following is an example of a column matrix?
		A.		B.
		C.		D.
		Hint
	4.	Which of the following matrices is equal to
		A.
		B.
		C.
		D.
		Hint
	5.	Solve
		A.	(1, –2)	B.	(–1, 2)
		C.	(2, –1)	D.	(–2, 1)
		Hint