document.write( "Question 534000: find a queadraric model for each set of values\r
\n" ); document.write( "\n" ); document.write( "(-1,6) (1,4) (2,9)
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Algebra.Com's Answer #351232 by scott8148(6628)\"\" \"About 
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y = ax^2 + bx + c\r
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\n" ); document.write( "\n" ); document.write( "6 = a - b + c\r
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\n" ); document.write( "\n" ); document.write( "4 = a + b + c\r
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\n" ); document.write( "\n" ); document.write( "9 = 4a + 2b + c\r
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\n" ); document.write( "\n" ); document.write( "solve the system of equations for the coefficients a, b, and c
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