document.write( "Question 824655: A point P moves such that it is always twice as far from the points (4,0) as it is on the line x = 1
\n" ); document.write( "a) find the equation of the locus
\n" ); document.write( "b) identify the locus and graph
\n" ); document.write( "Thanks very much in advance:)
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Algebra.Com's Answer #496680 by josgarithmetic(39620)\"\" \"About 
You can put this solution on YOUR website!
\"sqrt%28%28x-4%29%5E2%2B%28y%29%5E2%29\"
\n" ); document.write( "\"sqrt%28x%5E2-8x%2B16%2By%5E2%29\", distance to given point\r
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\n" ); document.write( "\n" ); document.write( "\"sqrt%28%28x-1%29%5E2%2B%28y-y%29%5E2%29\"
\n" ); document.write( "\"sqrt%28x%5E2-2x%2B1%29\",distance to given line\r
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\n" ); document.write( "\n" ); document.write( "\"sqrt%28x%5E2-8x%2B16%2By%5E2%29=2%2Asqrt%28x%5E2-2x%2B1%29\", according to description
\n" ); document.write( "\"x%5E2-8x%2B16%2By%5E2=4x%5E2-8x%2B4\"
\n" ); document.write( "\"16%2By%5E2=3x%5E2%2B4\"
\n" ); document.write( "\"12%2By%5E2=3x%5E2\"
\n" ); document.write( "\"3x%5E2-y%5E2=12\"
\n" ); document.write( "\"highlight%28x%5E2%2F4-y%5E2%2F12=1%29\"\r
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