document.write( "Question 1138675: Which of the following equations is an example of a quadratic function?
\n" ); document.write( "1. Y= 3x
\n" ); document.write( "2. Y=100-4x2
\n" ); document.write( "3. Y=[8x-1]
\n" ); document.write( "4 y=2-x
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Algebra.Com's Answer #756481 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
NONE as written.\r
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\n" ); document.write( "\n" ); document.write( "You need to show the exponent PROPERLY:
\n" ); document.write( "y=100-4x^2
\n" ); document.write( "OR
\n" ); document.write( "\"y=100-4x%5E2\"
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