document.write( "Question 936321: What polynomial of minimum degree fits the data?\r
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Algebra.Com's Answer #569752 by AnlytcPhil(1810) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "There are 4 points,\r\n" );
document.write( "(-2,61)  (2,-21)  (3,4)  (5,240)\r\n" );
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document.write( "so we need a polynomial that has 4 \r\n" );
document.write( "unknown coefficients,   \r\n" );
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document.write( "so we can substitute each of those \r\n" );
document.write( "4 points in it:\r\n" );
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document.write( "Simplifying each:\r\n" );
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document.write( "Simplifying further:\r\n" );
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document.write( "Put the constants on tyhe right\r\n" );
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document.write( "Solve that system and get A=4, B=-9, C=-6, D=-5\r\n" );
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document.write( "If you have trouble solving that system, post again.\r\n" );
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document.write( "So\r\n" );
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document.write( "becomes\r\n" );
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document.write( "Edwin

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