Consider the Matrix Below $$\left[ \begin{array} { c c c } - 9 & 3.9 & 8 \\- 8.2 & 7 & - 1 \\7 & 7.7 & - 7\end{array} \right]$$

Multiple Choice

Consider the matrix below.
(a) Determine the order of the matrix.
(b) Determine the order of the matrix and determine if the matrix is a row matrix, a column matrix, a matrix, or none of these.
$$\left[ \begin{array} { c c c } - 9 & 3.9 & 8 \\- 8.2 & 7 & - 1 \\7 & 7.7 & - 7\end{array} \right]$$

A) (a) $1 \times 3$
(b) column matrix

B) (a) $3 \times 1$
(b) row matrix

C) (a) $3 \times 3$
(b) square matrix

D) (a) $3 \times 3$
(b) none of these