amalpha.com/input/?i=%281%2C3%2C4%29+*%28%287%2C2%29%2C%281%2C3%29%2C%28-2%2C0%29%29">Wolfram
    Alpha</a> to see if you are correct (click the links to see how to
    do matrix multiplication in each system).</div>

    Compute the
    following matrix products.

    <ul>
      <li>$\begin{bmatrix}3 &amp; 2&amp; 1\end{bmatrix} \begin{bmatrix} -1 \\ 2\\ 0\end{bmatrix}$</li>

      <li>$\begin{bmatrix}1 &amp;2\\3&amp;4\end{bmatrix}\begin{bmatrix}5&amp;0\\6&amp;1\end{bmatrix}$</li>
    </ul>
  </div>

  <div