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

question 20

Multiple Choice

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

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