li>Illustrate how to solve systems of linear equations,
    including how to express a solution parametrically (in terms of
    $t$) when there are infinitely solutions.</li>

    <li>Extend the idea of differentials to approximate functions
    using parabolas, cubics, and polynomials of any degree.</li>
  </ol>

  <div class="bmw">You'll have a chance to teach your examples to your peers
  prior to the exam.</div>

<section>
  <h1>Review of First Semester Calculus</h1>
<section>
  <h1>Graphing</h1>
  <p>W