Determine the size of matrix A and tell whether it is a square matrix, row matrix, column matrix, or none of these.
-$$A = \left[ \begin{array} { r r r r }
\sqrt { 3 } & - 7 & 1 & 6 \
\pi & 8 & - 1 & 4
\end{array} \right]$$
A)4 × 2; none of these
B)2 × 4; none of these
C)3 × 2; row matrix
D)2 × 3; 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.
-$$A = \left[ \begin{array} { r r r r } 
\sqrt { 3 } & - 7 & 1 & 6 \
\pi & 8 & - 1 & 4
\end{array} \right]$$
A)4 × 2; none of these
B)2 × 4; none of these
C)3 × 2; row matrix
D)2 × 3; row matrix

Quizplus · Accepted Answer

Matrix A has 2 rows and 4 columns, making it a 2 × 4 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=[3−716π8−14]A = \left[ \begin{array} { r r r r } \sqrt { 3 } & - 7 & 1 & 6 \\\pi & 8 & - 1 & 4\end{array} \right]A=[3​π​−78​1−1​64​]

Determine the Size of Matrix a and Tell Whether It $A = \left[ \begin{array} { r r r r } \sqrt { 3 } & - 7 & 1 & 6 \\\pi & 8 & - 1 & 4\end{array} \right]$