document.write( "Question 789474: How do I figure out the standard form of a quadratic equation?
\n" );
document.write( "y = -X^2 +2X + 13 \r
\n" );
document.write( "\n" );
document.write( "I got -(X-2)^2 + 15 ....but that is wrong..?\r
\n" );
document.write( "\n" );
document.write( "Help me find out what I am doing wrong? Thanks!\r
\n" );
document.write( "\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #478863 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! y = -X^2 +2X + 13 \n" ); document.write( "Note:: That is already in standard form. \n" ); document.write( "----- \n" ); document.write( "Maybe you want it in intercept form:: \n" ); document.write( "x^2 -2x = 13-y \n" ); document.write( "----- \n" ); document.write( "x^2 -2x + 1 = 14-y \n" ); document.write( "----- \n" ); document.write( "(x+1)^2 = -(y-14) \n" ); document.write( "=================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |