Find the additive inverse of A.
-$$A = \left[ \begin{array} { r r }
9 & 2 \
- 4 & 5
\end{array} \right]$$
A) $\left[ \begin{array} { r r } - 9 & - 2 \ 4 & - 5 \end{array} \right]$
B) $\left[ \begin{array} { r r } 9 & - 2 \ 4 & 5 \end{array} \right]$
C) $\left[ \begin{array} { r r } - 9 & 2 \ 4 & 5 \end{array} \right]$
D) $\left[ \begin{array} { r r } - 9 & 2 \ - 4 & - 5 \end{array} \right]$

Question

Find the additive inverse of A.
-$$A = \left[ \begin{array} { r r } 
9 & 2 \
- 4 & 5
\end{array} \right]$$
A) $\left[ \begin{array} { r r } - 9 & - 2 \ 4 & - 5 \end{array} \right]$
B) $\left[ \begin{array} { r r } 9 & - 2 \ 4 & 5 \end{array} \right]$
C) $\left[ \begin{array} { r r } - 9 & 2 \ 4 & 5 \end{array} \right]$
D) $\left[ \begin{array} { r r } - 9 & 2 \ - 4 & - 5 \end{array} \right]$

Quizplus · Accepted Answer

The additive inverse of a matrix is obtained by changing the sign of each element in the matrix. Therefore, the additive inverse of matrix A is $\left[ \begin{array} { r r } - 9 & - 2 \ 4 & - 5 \end{array} \right]$.

Find the Additive Inverse of A A=[92−45]A = \left[ \begin{array} { r r } 9 & 2 \\- 4 & 5\end{array} \right]A=[9−4​25​]

Find the Additive Inverse of A $A = \left[ \begin{array} { r r } 9 & 2 \\- 4 & 5\end{array} \right]$