<item ident="N2-6130" title="N2 | Euler's method for approximating IVP solutions | ver. 6130">
<itemmetadata>
<qtimetadata>
<qtimetadatafield>
<fieldlabel>question_type</fieldlabel>
<fieldentry>essay_question</fieldentry>
</qtimetadatafield>
</qtimetadata>
</itemmetadata>
<presentation>
<material>
<mattextxml>
<div class="exercise-statement">
<p>
<strong>N2.</strong>
</p>
<p> Use Euler's method with <img style="border:1px #ddd solid;padding:5px;border-radius:5px;" src="https://latex.codecogs.com/svg.latex?h= 0.10" alt="h= 0.10" title="h= 0.10" data-latex="h= 0.10"/> to approximate <img style="border:1px #ddd solid;padding:5px;border-radius:5px;" src="https://latex.codecogs.com/svg.latex?x( -0.80 )" alt="x( -0.80 )" title="x( -0.80 )" data-latex="x( -0.80 )"/> and <img style="border:1px #ddd solid;padding:5px;border-radius:5px;" src="https://latex.codecogs.com/svg.latex?y( -0.80 )" alt="y( -0.80 )" title="y( -0.80 )" data-latex="y( -0.80 )"/> given the following system of IVPs. </p>
<p style="text-align:center;">
<img style="border:1px #ddd solid;padding:5px;border-radius:5px;" src="https://latex.codecogs.com/svg.latex?x'= -2 \, t^{2} x - 2 \, t^{2} y - 2 \hspace{2em} x( -1 )= 2" alt="x'= -2 \, t^{2} x - 2 \, t^{2} y - 2 \hspace{2em} x( -1 )= 2" title="x'= -2 \, t^{2} x - 2 \, t^{2} y - 2 \hspace{2em} x( -1 )= 2" data-latex="x'= -2 \, t^{2} x - 2 \, t^{2} y - 2 \hspace{2em} x( -1 )= 2"/>
</p>
<p style="text-align:center;">
<img style="border:1px #ddd solid;padding:5px;border-radius:5px;" src="https://latex.codecogs.com/svg.latex?y'= -t^{2} x^{2} - x y^{2} \hspace{2em} y( -1 )= 0" alt="y'= -t^{2} x^{2} - x y^{2} \hspace{2em} y( -1 )= 0" title="y'= -t^{2} x^{2} - x y^{2} \hspace{2em} y( -1 )= 0" data-latex="y'= -t^{2} x^{2} - x y^{2} \hspace{2em} y( -1 )= 0"/>
</p>
</div>
</mattextxml>
<mattext texttype="text/html"><div class="exercise-statement">
<p>
<strong>N2.</strong>
</p>
<p> Use Euler's method with <img style="border:1px #ddd solid;padding:5px;border-radius:5px;" src="https://latex.codecogs.com/svg.latex?h=%200.10" alt="h= 0.10" title="h= 0.10" data-latex="h= 0.10"> to approximate <img style="border:1px #ddd solid;padding:5px;border-radius:5px;" src="https://latex.codecogs.com/svg.latex?x(%20-0.80%20)" alt="x( -0.80 )" title="x( -0.80 )" data-latex="x( -0.80 )"> and <img style="border:1px #ddd solid;padding:5px;border-radius:5px;" src="https://latex.codecogs.com/svg.latex?y(%20-0.80%20)" alt="y( -0.80 )" title="y( -0.80 )" data-latex="y( -0.80 )"> given the following system of IVPs. </p>
<p style="text-align:center;">
<img style="border:1px #ddd solid;padding:5px;border-radius:5px;" src="https://latex.codecogs.com/svg.latex?x'=%20-2%20%5C,%20t%5E%7B2%7D%20x%20-%202%20%5C,%20t%5E%7B2%7D%20y%20-%202%20%5Chspace%7B2em%7D%20x(%20-1%20)=%202" alt="x'= -2 \, t^{2} x - 2 \, t^{2} y - 2 \hspace{2em} x( -1 )= 2" title="x'= -2 \, t^{2} x - 2 \, t^{2} y - 2 \hspace{2em} x( -1 )= 2" data-latex="x'= -2 \, t^{2} x - 2 \, t^{2} y - 2 \hspace{2em} x( -1 )= 2">
</p>
<p style="text-align:center;">
<img style="border:1px #ddd solid;padding:5px;border-radius:5px;" src="https://latex.codecogs.com/svg.latex?y'=%20-t%5E%7B2%7D%20x%5E%7B2%7D%20-%20x%20y%5E%7B2%7D%20%5Chspace%7B2em%7D%20y(%20-1%20)=%200" alt="y'= -t^{2} x^{2} - x y^{2} \hspace{2em} y( -1 )= 0" title="y'= -t^{2} x^{2} - x y^{2} \hspace{2em} y( -1 )= 0" data-latex="y'= -t^{2} x^{2} - x y^{2} \hspace{2em} y( -1 )= 0">
</p>
</div>
</mattext>
</material>
<response_str ident="response1" rcardinality="Single">
<render_fib>
<response_label ident="answer1" rshuffle="No"/>
</render_fib>
</response_str>
</presentation>
<itemfeedback ident="general_fb">
<flow_mat>
<material>
<mattextxml>
<div class="exercise-answer">
<h4>Partial Answer:</h4>
<ul>
<li><img style="border:1px #ddd solid;padding:5px;border-radius:5px;" src="https://latex.codecogs.com/svg.latex?x( -0.90 )\approx 1.40" alt="x( -0.90 )\approx 1.40" title="x( -0.90 )\approx 1.40" data-latex="x( -0.90 )\approx 1.40"/> and <img style="border:1px #ddd solid;padding:5px;border-radius:5px;" src="https://latex.codecogs.com/svg.latex?y( -0.90 )\approx -0.400" alt="y( -0.90 )\approx -0.400" title="y( -0.90 )\approx -0.400" data-latex="y( -0.90 )\approx -0.400"/></li>
<li><img style="border:1px #ddd solid;padding:5px;border-radius:5px;" src="https://latex.codecogs.com/svg.latex?x( -0.80 )\approx 1.04" alt="x( -0.80 )\approx 1.04" title="x( -0.80 )\approx 1.04" data-latex="x( -0.80 )\approx 1.04"/> and <img style="border:1px #ddd solid;padding:5px;border-radius:5px;" src="https://latex.codecogs.com/svg.latex?y( -0.80 )\approx -0.581" alt="y( -0.80 )\approx -0.581" title="y( -0.80 )\approx -0.581" data-latex="y( -0.80 )\approx -0.581"/></li>
</ul>
</div>
</mattextxml>
<mattext texttype="text/html"><div class="exercise-answer">
<h4>Partial Answer:</h4>
<ul>
<li>
<img style="border:1px #ddd solid;padding:5px;border-radius:5px;" src="https://latex.codecogs.com/svg.latex?x(%20-0.90%20)%5Capprox%201.40" alt="x( -0.90 )\approx 1.40" title="x( -0.90 )\approx 1.40" data-latex="x( -0.90 )\approx 1.40"> and <img style="border:1px #ddd solid;padding:5px;border-radius:5px;" src="https://latex.codecogs.com/svg.latex?y(%20-0.90%20)%5Capprox%20-0.400" alt="y( -0.90 )\approx -0.400" title="y( -0.90 )\approx -0.400" data-latex="y( -0.90 )\approx -0.400">
</li>
<li>
<img style="border:1px #ddd solid;padding:5px;border-radius:5px;" src="https://latex.codecogs.com/svg.latex?x(%20-0.80%20)%5Capprox%201.04" alt="x( -0.80 )\approx 1.04" title="x( -0.80 )\approx 1.04" data-latex="x( -0.80 )\approx 1.04"> and <img style="border:1px #ddd solid;padding:5px;border-radius:5px;" src="https://latex.codecogs.com/svg.latex?y(%20-0.80%20)%5Capprox%20-0.581" alt="y( -0.80 )\approx -0.581" title="y( -0.80 )\approx -0.581" data-latex="y( -0.80 )\approx -0.581">
</li>
</ul>
</div>
</mattext>
</material>
</flow_mat>
</itemfeedback>
</item>