document.write( "Question 1085947: Question: Identify the radius and center, if the graph of the equation is a circle then sketch it. Otherwise, specify if the graph is a single point (and what this point is), or has no point at all.\r
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Algebra.Com's Answer #700045 by ikleyn(52781) $\"\"$ $\"About$

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document.write( "The standard procedure for such problems is completing the squares:\r\n" );
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document.write( " = ,\r\n" );
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document.write( " = .\r\n" );
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document.write( "Stop here.\r\n" );
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document.write( "You see that the left side is the sum of two squares, while the right side is the negative real number.\r\n" );
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document.write( "It implies that neither last equation, nor equivalent original equation has a  solution.\r\n" );
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document.write( "So, the set of solutions is empty. It is the answer to your problem.\r\n" );
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