Determine the size of matrix A and tell whether it is a square matrix, row matrix, column matrix, or none of these.
-$$A = \left[ \begin{array} { r r r }
5 & 5 & - 3 \
- 4 & - 7 & 1
\end{array} \right]$$
A)2 × 3; none of these
B)3 × 2; none of these
C)3; row matrix
D)6; 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.
-$$A = \left[ \begin{array} { r r r } 
5 & 5 & - 3 \
- 4 & - 7 & 1
\end{array} \right]$$
A)2 × 3; none of these
B)3 × 2; none of these
C)3; row matrix
D)6; row matrix

Quizplus · Accepted Answer

Matrix A has 2 rows and 3 columns, making it a 2 × 3 matrix, which does not fit the definition of a square, row, or column matrix.

Determine the Size of Matrix a and Tell Whether It A=[55−3−4−71]A = \left[ \begin{array} { r r r } 5 & 5 & - 3 \\- 4 & - 7 & 1\end{array} \right]A=[5−4​5−7​−31​]

Determine the Size of Matrix a and Tell Whether It $A = \left[ \begin{array} { r r r } 5 & 5 & - 3 \\- 4 & - 7 & 1\end{array} \right]$