If possible, find A - B. $$A = \left[ \begin{array} { c c }
- 9 & 5 \
3 & 2
\end{array} \right] , B = \left[ \begin{array} { c c }
- 1 & 4 \
7 & 3
\end{array} \right]$$
A) $\left[ \begin{array} { c c }
- 8 & 1 \
- 4 & - 1
\end{array} \right]$
B) $\left[ \begin{array} { c c }
- 8 & 5 \
3 & - 1
\end{array} \right]$
C) $\left[ \begin{array} { c c }
- 26 & - 51 \
- 17 & 6
\end{array} \right]$
D) $\left[ \begin{array} { c c }
- 10 & 9 \
10 & 5
\end{array} \right]$
E)not possible

Question

If possible, find A - B. $$A = \left[ \begin{array} { c c } 
- 9 & 5 \
3 & 2
\end{array} \right] , B = \left[ \begin{array} { c c } 
- 1 & 4 \
7 & 3
\end{array} \right]$$
A) $\left[ \begin{array} { c c } 
- 8 & 1 \
- 4 & - 1
\end{array} \right]$
B) $\left[ \begin{array} { c c } 
- 8 & 5 \
3 & - 1
\end{array} \right]$
C) $\left[ \begin{array} { c c } 
- 26 & - 51 \
- 17 & 6
\end{array} \right]$
D) $\left[ \begin{array} { c c } 
- 10 & 9 \
10 & 5
\end{array} \right]$
E)not possible

Quizplus · Accepted Answer

To find $A - B$, subtract each corresponding element in matrix B from matrix A: $(-9) - (-1) = -8$, $5 - 4 = 1$, $3 - 7 = -4$, and $2 - 3 = -1$.

If Possible, Find a - B A=[−9532],B=[−1473]A = \left[ \begin{array} { c c } - 9 & 5 \\3 & 2\end{array} \right] , B = \left[ \begin{array} { c c } - 1 & 4 \\7 & 3\end{array} \right]A=[−93​52​],B=[−17​43​]

If Possible, Find a - B $A = \left[ \begin{array} { c c } - 9 & 5 \\3 & 2\end{array} \right] , B = \left[ \begin{array} { c c } - 1 & 4 \\7 & 3\end{array} \right]$