document.write( "Question 378272: Complete the square and write the equation in standard form. Then give the center and radius of the circle. Graph on graph paper.\r
\n" );
document.write( "\n" );
document.write( "x^2 + y^2 + 2x - 4y - 31 = 0\r
\n" );
document.write( "\n" );
document.write( "(x-h)^2 + (y-k)^2 = r^2 Standard form
\n" );
document.write( " Center
\n" );
document.write( " Radius
\n" );
document.write( "Step by step sequence. Thanks. \n" );
document.write( "
Algebra.Com's Answer #268789 by Fombitz(32388)![]() ![]() You can put this solution on YOUR website! Complete the square in x and y. \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "The general equation for a circle centered at ( \n" ); document.write( " \n" ); document.write( "Comparing, \n" ); document.write( "Radius: \n" ); document.write( "Center:( \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( " |