Determine the size of matrix A and tell whether it is a square matrix, row matrix, column matrix, or none of these.
-$$A = \left[ \begin{array} { l l l l }
3 & - 3 & 9 & 7
\end{array} \right]$$
A)4 × 1; column matrix
B)1 × 4; row matrix
C)1; square matrix
D)4; row matrix

Question

Determine the size of matrix A and tell whether it is a square matrix, row matrix, column matrix, or none of these.
-$$A = \left[ \begin{array} { l l l l } 
3 & - 3 & 9 & 7
\end{array} \right]$$
A)4 × 1; column matrix
B)1 × 4; row matrix
C)1; square matrix
D)4; row matrix

Quizplus · Accepted Answer

The matrix A has 1 row and 4 columns, making it a 1 × 4 matrix. This configuration defines a row matrix.

Determine the Size of Matrix a and Tell Whether It A=[3−397]A = \left[ \begin{array} { l l l l } 3 & - 3 & 9 & 7\end{array} \right]A=[3​−3​9​7​]

Determine the Size of Matrix a and Tell Whether It $A = \left[ \begin{array} { l l l l } 3 & - 3 & 9 & 7\end{array} \right]$