A matrix is:
AA vector
BA rectangular array of numbers arranged in rows and columns
CA single number
DA point
Answer & Solution
Correct answer: B. A rectangular array of numbers arranged in rows and columns
Matrix: rectangular array of numbers in m rows × n columns. Notation: A_(ij) = element in row i, column j. Size denoted m × n.
Related questions
Three points $(1, 2), (3, 4), (5, 6)$ on the school graph paper are:If $A$ is a $3\times 3$ matrix with $|A| = 5$, then $|A^{-1}|$ is:Swapping two rows of a determinant changes its value by a factor of:The determinant of $\begin{pmatrix}3 & 2 \\ 1 & 4\end{pmatrix}$ is:A square matrix $A$ has an inverse if and only if:A square matrix $A$ is symmetric if:The transpose of $A^T$ is:The product of a matrix $A$ of order $2\times 3$ and $B$ of order $3\times 4$ has order: