Problem:
Multiply the scalar $-\frac{11}{5}$ and the matrix
$\left(
\begin{array}{c}
 9 \\
 7 \\
\end{array}
\right)$.
Answer:
$\left(
\begin{array}{c}
 -\frac{99}{5} \\
 -\frac{77}{5} \\
\end{array}
\right)$
{'source': 'AMPS', 'file': 'amps/mathematica/linear_algebra/multiply_by_scalar/35026.txt'}