1.	Choose the matrix that represents the ordered triple (5, -7, 1).
		A.		B.	[5 -7 1]
		C.		D.	[1 -7 5]
		Hint
	2.	Solve .
		A.		B.	(-2, -8)
		C.	(2, 8)	D.
		Hint
	3.	What are the dimensions of matrix A if
		A.	3 × 4	B.	4 × 4
		C.	4 × 3	D.	3 × 3
		Hint
	4.	The matrix is an example of which of the following matrices?
		A.	square matrix	B.	all of the above
		C.	column matrix	D.	row matrix
		Hint
	5.	Which of the following matrices is equal to
		A.
		B.
		C.
		D.
		Hint