1.	Choose the matrix that represents the ordered triple (5, -7, 1).
		A.	[5 -7 1]	B.
		C.		D.	[1 -7 5]
		Hint
	2.	Solve .
		A.	(2, 8)	B.
		C.	(-2, -8)	D.
		Hint
	3.	Which of the following is an example of a column matrix?
		A.		B.
		C.		D.
		Hint
	4.	The matrix is an example of which of the following matrices?
		A.	square matrix	B.	all of the above
		C.	row matrix	D.	column matrix
		Hint
	5.	What is always true of an n × n matrix?
		A.	It is a column matrix.	B.	It is a square matrix.
		C.	It is a row matrix.	D.	It has at least two rows and two columns.
		Hint