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<h4>Cool Down Activity</h4>
<p>Draw a tic-tac-toe board on an extra sheet of paper. Use the polynomial functions shown here for the activity.</p>
<p>\(f(x) = 8x^2-6x-2\)<br>
\(h(x) = 6x^2-4x-1\)</p>
<p>For each polynomial problem below, place an \(X\) on your tic-tac-toe board corresponding to the location of its matching solution.</p>
<p>\(16x^2-9x^2 =\) ________<br>
\((9x^2-5x-3)+(2x^2+8x-3) =\) ________<br>
\(f(5) - h(-2) =\) ________<br>
\((7x^2-3x+7)-(3x^2+6x-4) =\) ________<br>
\(f(4) =\) ________</p>
<p>For each polynomial problem below, place an \(O\) on your tic-tac-toe board corresponding to the location of its matching solution.</p>
<p>\(11x^3+12x^3 =\) ________<br>
\(f(x) - h(x) =\) ________<br>
\(f(x) + h(x) =\) ________<br>
\(h(-3) =\) ________</p>
<p><img alt="A TIC-TAC-TOE BOARD. TOP ROW FROM LEFT TO RIGHT: 7-X-SQUARED, 14-X-SQUARED-MINUS-10-X-MINUS-3, 11-X-SQUARED-PLUS-3-X-MINUS-6. SECOND ROW FROM LEFT TO RIGHT: 2-X-SQUARED-MINUS-2-X-MINUS-1, 23-X-CUBED, ONE HUNDRED THIRTY-SEVEN. BOTTOM ROW FROM LEFT TO RIGHT: 65, ONE HUNDRED TWO, 4-X-SQUARED-MINUS-9-X-PLUS-11." height="406" src="https://k12.openstax.org/contents/raise/resources/e310d0a16f3d61f97baba81e24833db21176e58c" width="414"></p>
<br>
<!--Text Entry Interaction Start -->
<div class="os-raise-ib-input" data-button-text="Solution" data-content-id="339e3277-210c-4204-874b-2c5e91e5a02e" data-fire-event="eventShow" data-schema-version="1.0">
<div class="os-raise-ib-input-content">
<p>Did the \(Xs\) or \(Os\) win the tic-tac-toe game?</p>
</div>
<div class="os-raise-ib-input-prompt">
<p>Enter your answer here:</p>
</div>
<div class="os-raise-ib-input-ack">
<p>Compare your answer:</p>
<p>The \(Xs\) won the game.</p>
<p><img alt="A TIC-TAC-TOE BOARD. TOP ROW FROM LEFT TO RIGHT: 7-X-SQUARED, 14-X-SQUARED-MINUS-10-X-MINUS-3, 11-X-SQUARED-PLUS-3-X-MINUS-6, WITH X, O, X. SECOND ROW FROM LEFT TO RIGHT: 2-X-SQUARED-MINUS-2-X-MINUS-1, 23-X-CUBED, ONE HUNDRED THIRTY-SEVEN, WITH O, O, X. BOTTOM ROW FROM LEFT TO RIGHT: 65, ONE HUNDRED TWO, 4-X-SQUARED-MINUS-9-X-PLUS-11, WITH 0, X, X" height="410" src="https://k12.openstax.org/contents/raise/resources/0556198676e4a9a50149f1b5370bdc40d0a2dd91" width="412"></p>
<p><strong>Xs:</strong></p>
<p>\(16x^2-9x^2 = 7x^2\)<br>
\((9x^2-5x-3)+(2x^2+8x-3) = 11x^2+3x-6\)<br>
\(f(5) - h(-2) = 137\)<br>
\(f(4) = 102\)<br>
\((7x^2-3x+7)-(3x^2+6x-4) = 4x^2-9x+11\)<\p>
</p>
<p><strong>Os:</strong></p>
<p>\(11x^3+12x^3 = 23x^3\)<br>
\(f(x) - h(x) = 2x^2-2x-1\)<br>
\(f(x) + h(x) = 14x^2-10x-3\)<br>
\(h(-3) = 65\)</p>
</div>
</div>
<!--Interaction End -->