document.write( "Question 761251: How would you firgure out a quadratic eqaution when given table that is
\n" ); document.write( "x - 10 , 20 , 30 , 40 , 50 , 60 , 70 , 80
\n" ); document.write( "Y - 1 , 4, 9 , 16 , 25 , 36 , 49 , 64\r
\n" ); document.write( "\n" ); document.write( "I tried doing 1= a(10)^2 +b(10)+c
\n" ); document.write( " 4 = a(20)^2 + b(20) + c
\n" ); document.write( " 9 = a(30)^2+ b(30) + c
\n" ); document.write( "then solving. but i.cant seem to get the right answer \n" ); document.write( "

Algebra.Com's Answer #463120 by solver91311(24713) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "Solve the system

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\n" ); document.write( "\n" ); document.write( "Have you got the right matrix?\r
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\n" ); document.write( "\n" ); document.write( "John
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\n" ); document.write( "My calculator said it, I believe it, that settles it
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$\"The$

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