document.write( "Question 526559: find the vertix of the parabola
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document.write( "f(x)=25-10x+20x^2 \n" );
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Algebra.Com's Answer #348560 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Find the Line of Symmetry, x = -b/2a \n" ); document.write( "x = 10/40 \n" ); document.write( "x = 1/4 \n" ); document.write( "--------- \n" ); document.write( "f(1/4) = 25 - 10/4 + 20/16 \n" ); document.write( "f(1/4) = 95/4 \n" ); document.write( "----------- \n" ); document.write( "Vertex at (1/4,95/4) \n" ); document.write( "or (0.25,23.75) \n" ); document.write( " \n" ); document.write( " |