document.write( "Question 1193536: 1. Find an equation of a circle passing through the points A(1,2) and B(1,-2) touching the line x+2y+5=0.\r
\n" ); document.write( "\n" ); document.write( "2. Find the center and radius of 5x^2+5y^2+24+36y+10=0
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Algebra.Com's Answer #825585 by Alan3354(69443)\"\" \"About 
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2. Find the center and radius of 5x^2+5y^2+24+36y+10=0
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\n" ); document.write( "Complete the squares for x and for y:
\n" ); document.write( "5x^2+5y^2+24+36y+10=0
\n" ); document.write( "5x^2 + 5y^2 + 36y = -34
\n" ); document.write( "x^2 + y^2 + 7.2y = -6.8
\n" ); document.write( "x^2 + y^2 + 7.2y + 12.96 = -6.8 + 12.96 = 6.16
\n" ); document.write( "x^2 + (y + 3.6)^2 = 6.16
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\n" ); document.write( "Center at (0,-3.6)
\n" ); document.write( "\"r+=+sqrt%286.16%29\"\r
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