document.write( "Question 754823: What is the minimum or maximum value of the quadratic function: $\"+f%28x%29=+5x%5E2-20x%2B9+\"$ ?\r
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Algebra.Com's Answer #459326 by tommyt3rd(5050) $\"\"$ $\"About$

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min value occurs at\r
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\n" ); document.write( "\n" ); document.write( " $\"x%5Bmin%5D=-b%2F%282a%29=-%28-20%29%2F%282%2A5%29=2\"$ \r
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\n" ); document.write( "\n" ); document.write( "the actual value is\r
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\n" ); document.write( "\n" ); document.write( " $\"+f%282%29=+5%2A2%5E2-20%2A2%2B9=-11+\"$ \r
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