document.write( "Question 1075139: Right the equation of the circle with a diameter having 2 end points (18,-3) , (4,3) \n" ); document.write( "
Algebra.Com's Answer #689867 by ikleyn(52802)\"\" \"About 
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\n" ); document.write( "\"highlight%28cross%28Right%29%29\" Write the equation of the circle with a diameter having 2 end points (18,-3) , (4,3)
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document.write( "The center is  \"%28x%5B1%5D%2Bx%5B2%5D%29%2F2\" = \"%2818%2B4%29%2F2\" = \"22%2F2\" = 11,\r\n" );
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document.write( "               \"%28y%5B1%5D%2By%5B2%5D%29%2F2\" = \"%28%28-3%29+%2B+3%29%2F2\" = \"0%2F2\" = 0.\r\n" );
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document.write( "The center is (x,y) = (11,0).\r\n" );
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document.write( "The radius is \"sqrt%28%2818-11%29%5E2+%2B+%283-0%29%5E2%29\" = \"sqrt%287%5E2+%2B+3%5E2%29\" = \"sqrt%2849%2B9%29\" = \"sqrt%2858%29\".\r\n" );
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document.write( "The equation of the circle is \r\n" );
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document.write( "\"%28x-11%29%5E2+%2B+y%5E2%29\" = 58.\r\n" );
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