document.write( "Question 260746: What is the center and the radius of this general form equation?\r
\n" ); document.write( "\n" ); document.write( "4x^2 + 4y^2 + 4x - 63 = 0
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Algebra.Com's Answer #192094 by richwmiller(17219)\"\" \"About 
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center is at (-1/2,0) and its radius is 4\r
\n" ); document.write( "\n" ); document.write( "4 (x^2+x+y^2) = 63
\n" ); document.write( "add 4*1/4 to complete the square for (x+1/2)^2
\n" ); document.write( "4 (x+1/2)^2+4*(y+0)^2=4*16\r
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