Multiply Matrices


- $A=\left[\begin{array}{r}-5-8-6 \\8-3-6\end{array}\right], B=\left[\begin{array}{r}-2 \\3 \\9\end{array}\right]$ A) $[ - 68 - 79 ]$

Multiple Choice

Multiply Matrices


- $A=\left[\begin{array}{r}-5-8-6 \\8-3-6\end{array}\right], B=\left[\begin{array}{r}-2 \\3 \\9\end{array}\right]$

A)
$[ - 68 - 79 ]$
B) $\mathrm { AB }$ is not defined.
C)
$\left[ \begin{array} { l } - 68 \\ - 79 \end{array} \right]$
D)

$\left[ \begin{array} { r r r } - 5 & - 8 & - 6 \\ 8 & - 3 & - 6 \\ - 2 & 3 & 9 \end{array} \right]$