document.write( "Question 1163579: find the distance between (9, -7) and (5, -4)
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Algebra.Com's Answer #787713 by ikleyn(52754)\"\" \"About 
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document.write( "Apply the distance formula\r\n" );
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document.write( "    d = \"sqrt%28%28x%5B2%5D-x%5B1%5D%29%5E2+%2B+%28y%5B2%5D-y%5B1%5D%29%5E2%29\".\r\n" );
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document.write( "In your case  (\"x%5B1%5D\",\"y%5B1%5D\") = (9,-7),  (\"x%5B2%5D\",\"y%5B2%5D\") = (5,-4).\r\n" );
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document.write( "THEREFORE,\r\n" );
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document.write( "    d = \"sqrt%28%285-9%29%5E2%2B%28%28-4%29-%28-7%29%29%5E2%29\" = \"sqrt%28%28-4%29%5E2+%2B+3%5E2%29\" = \"sqrt%2816%2B9%29\" = \"sqrt%2825%29\" = 5.\r\n" );
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document.write( "ANSWER.  The distance between two given points is 5 units.\r\n" );
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