Find the indicated matrix.
-Let $\mathrm { A } = \left[ \begin{array} { r r } - 3 & 1 \ 0 & 2 \end{array} \right]$. Find $2 \mathrm {~A}$.
A)
$$\left[ \begin{array} { r r }
- 1 & 3 \
2 & 4
\end{array} \right]$$
B)
$\left[ \begin{array} { r r } - 6 & 1 \ 0 & 2 \end{array} \right]$
C)
$\left[ \begin{array} { r r } - 6 & 2 \ 0 & 2 \end{array} \right]$
D)
$\left[ \begin{array} { r r } - 6 & 2 \ 0 & 4 \end{array} \right]$

Question

Find the indicated matrix.
-Let $\mathrm { A } = \left[ \begin{array} { r r } - 3 & 1 \ 0 & 2 \end{array} \right]$. Find $2 \mathrm {~A}$.
A)
$$\left[ \begin{array} { r r } 
- 1 & 3 \
2 & 4
\end{array} \right]$$
B)
$\left[ \begin{array} { r r } - 6 & 1 \ 0 & 2 \end{array} \right]$
C)
$\left[ \begin{array} { r r } - 6 & 2 \ 0 & 2 \end{array} \right]$
D)
$\left[ \begin{array} { r r } - 6 & 2 \ 0 & 4 \end{array} \right]$

Quizplus · Accepted Answer

To find $2\mathrm{A}$, each element of matrix $\mathrm{A}$ is multiplied by 2, resulting in $\left[ \begin{array} { r r } -6 & 2 \ 0 & 4 \end{array} \right]$.

Find the Indicated Matrix A=[−3102]\mathrm { A } = \left[ \begin{array} { r r } - 3 & 1 \\ 0 & 2 \end{array} \right]A=[−30​12​]

Find the Indicated Matrix $\mathrm { A } = \left[ \begin{array} { r r } - 3 & 1 \\ 0 & 2 \end{array} \right]$