document.write( "Question 665445: find all points having y-coordinate of -6 whose distance is from the point (1,2) is 17. \n" ); document.write( "
Algebra.Com's Answer #413864 by mananth(16946)\"\" \"About 
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(x,-6) (1,2) \r
\n" ); document.write( "\n" ); document.write( "d= \"sqrt%28%28y2-y1%29%5E2%2B%28x2-x1%29%5E2%29\" \r
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "17 = \"sqrt%28%282-%28-6%29%29%5E2%2B%281-x%29%5E2%29\" \r
\n" ); document.write( "\n" ); document.write( "17= \"sqrt%28%288%29%5E2%2B%281-2x%2Bx%5E2%29%29\"\r
\n" ); document.write( "\n" ); document.write( "square both sides\r
\n" ); document.write( "\n" ); document.write( "17^2= 8^2+1-2x+x^2 \r
\n" ); document.write( "\n" ); document.write( "x^2-2x+64+1-289=0\r
\n" ); document.write( "\n" ); document.write( "x^2-2x-224=0\r
\n" ); document.write( "\n" ); document.write( "x^2-16x+14x-224=0\r
\n" ); document.write( "\n" ); document.write( "x(x-16)+14(x-16)=0
\n" ); document.write( "(x-16)(x+14)=0\r
\n" ); document.write( "\n" ); document.write( "x=16 OR -14\r
\n" ); document.write( "\n" ); document.write( "(16,-6) (-14,-6) \n" ); document.write( "
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