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)![]() ![]() You can put this solution on YOUR website! 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 \n" ); document.write( "---------------- \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( " |