Inequalities

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4 Terms

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Theorems of Inequalities

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Solving Quadratic Inequalities

Find critical points (solve for x)

Sketch graph


If value of x is positive, it is min
if negative, it is max

If > 0 then find above 0 (the line)

If <0 then find below 0

Write answer as:
{x: x < a} etc
if two regions, do two sets and connect with U

<p>Find critical points (solve for x)<br><br>Sketch graph</p><p><br>If value of x is positive, it is min<br>if negative, it is max</p><p></p><p>If &gt; 0 then find above 0 (the line)</p><p>If &lt;0 then find below 0<br><br>Write answer as:<br>{x: x &lt; a} etc<br>if two regions, do two sets and connect with U</p>
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Solving Rational Inequalities

Multiply throughout by the square of the denominator

Sketch graph, solve

<p>Multiply throughout by the square of the denominator <br><br>Sketch graph, solve</p>
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THE END