document.write( "Question 1075214: What is the quadratic equation in standard form with set of points (0,-4) (1,0) (2,-2)
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Algebra.Com's Answer #689899 by Boreal(15235)\"\" \"About 
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ax^2+bx+c=y
\n" ); document.write( "x=0, y=-4 so c=-4
\n" ); document.write( "x=1 y=a+b-4=0
\n" ); document.write( "a+b=4
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\n" ); document.write( "x=-2
\n" ); document.write( "4a+2b-4=-2
\n" ); document.write( "4a+2b=2
\n" ); document.write( "a=4-b
\n" ); document.write( "16-4b+2b=2
\n" ); document.write( "-2b=-14
\n" ); document.write( "b=7
\n" ); document.write( "a=-3
\n" ); document.write( "-3x^2+7x-4=y
\n" ); document.write( "\"graph%28300%2C300%2C-10%2C10%2C-10%2C10%2C-3x%5E2%2B7x-4%29\"
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