document.write( "Question 728156: Write the equation in standard form of the circle with the given properties.
\n" ); document.write( "Center at the origin; r = square root of 7
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Algebra.Com's Answer #455930 by tommyt3rd(5050)\"\" \"About 
You can put this solution on YOUR website!
origin => C(0,0) with \"r=sqrt%287%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"%0D%0A%28x-h%29%5E2%2B%28y-k%29%5E2=r%5E2%0D%0A\"\r
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\n" ); document.write( "\n" ); document.write( "becomes\r
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\n" ); document.write( "\n" ); document.write( "\"%0D%0Ax%5E2%2By%5E2=7%0D%0A\"\r
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