If possible, find 4A + 5B. $A = \left[ \begin{array} { c c c }
- 7 & 1 & - 2 \
- 7 & - 6 & 1
\end{array} \right] , B = \left[ \begin{array} { c c c }
9 & 2 & 7 \
- 2 & 8 & - 7
\end{array} \right]$
A) $\left[ \begin{array} { c c c }
- 73 & - 6 & - 43 \
- 18 & - 64 & 39
\end{array} \right]$
B) $\left[ \begin{array} { c c c }
2 & 3 & 5 \
- 9 & 2 & - 6
\end{array} \right]$
C) $\left[ \begin{array} { l l l }
1 & 0 & 0 \
0 & 1 & 0
\end{array} \right]$
D) $\left[ \begin{array} { c c c }
17 & 14 & 27 \
- 38 & 16 & - 31
\end{array} \right]$
E)not possible

Question

If possible, find 4A + 5B. $A = \left[ \begin{array} { c c c } 
- 7 & 1 & - 2 \
- 7 & - 6 & 1
\end{array} \right] , B = \left[ \begin{array} { c c c } 
9 & 2 & 7 \
- 2 & 8 & - 7
\end{array} \right]$
A) $\left[ \begin{array} { c c c } 
- 73 & - 6 & - 43 \
- 18 & - 64 & 39
\end{array} \right]$
B) $\left[ \begin{array} { c c c } 
2 & 3 & 5 \
- 9 & 2 & - 6
\end{array} \right]$
C) $\left[ \begin{array} { l l l } 
1 & 0 & 0 \
0 & 1 & 0
\end{array} \right]$
D) $\left[ \begin{array} { c c c } 
17 & 14 & 27 \
- 38 & 16 & - 31
\end{array} \right]$
E)not possible

Quizplus · Accepted Answer

The Answer of If possible, find 4A + 5B. $A = \left[ \begin{array} { c c c } 
- 7 & 1 & - 2 \
- 7 & - 6 & 1
\end{array} \right] , B = \left[ \begin{array} { c c c } 
9 & 2 & 7 \
- 2 & 8 & - 7
\end{array} \right]$
A) $\left[ \begin{array} { c c c } 
- 73 & - 6 & - 43 \
- 18 & - 64 & 39
\end{array} \right]$
B) $\left[ \begin{array} { c c c } 
2 & 3 & 5 \
- 9 & 2 & - 6
\end{array} \right]$
C) $\left[ \begin{array} { l l l } 
1 & 0 & 0 \
0 & 1 & 0
\end{array} \right]$
D) $\left[ \begin{array} { c c c } 
17 & 14 & 27 \
- 38 & 16 & - 31
\end{array} \right]$
E)not possible

If Possible, Find 4A + 5B A) [−73−6−43−18−6439]\left[ \begin{array} { c c c } - 73 & - 6 & - 43 \\- 18 & - 64 & 39\end{array} \right][−73−18​−6−64​−4339​]

If Possible, Find 4A + 5B A) $\left[ \begin{array} { c c c } - 73 & - 6 & - 43 \\- 18 & - 64 & 39\end{array} \right]$