document.write( "Question 970906: Classify the conic section and write its equation in standard form.
\n" ); document.write( "x^2-4y^2-6x-16y+29=0
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Algebra.Com's Answer #593537 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "\"x%5E2-4y%5E2-6x-16y%2B29=0\"\r
\n" ); document.write( "\n" ); document.write( "\"%28x%5E2-6x%29-%284y%5E2%2B16y%29%2B29=0\".....complete square\r
\n" ); document.write( "\n" ); document.write( "\"%28x%5E2-6x%2Bb%5E2%29-b%5E2-4%28y%5E2%2B4y%2Bb%5E2%29-b%5E2%2B29=0\"...recall the rule \"%28a-b%29%5E2=a%5E2-2ab%2Bb%5E2\"\r
\n" ); document.write( "\n" ); document.write( "in your case (for \"x\") \"a=1\", and \"2ab=6\"=>\"2%2A1b=6\"=>\"b=3\"\r
\n" ); document.write( "\n" ); document.write( "and (for \"x\") \"a=1\", and \"2ab=4\"=>\"2%2A1b=4\"=>\"b=2\"\r
\n" ); document.write( "\n" ); document.write( "so, we have\r
\n" ); document.write( "\n" ); document.write( "\"%28x%5E2-6x%2B3%5E2%29-3%5E2-4%28y%5E2%2B4y%2B2%5E2%29-%28-4%29%2A2%5E2%2B29=0\"\r
\n" ); document.write( "\n" ); document.write( "\"%28x-3%29%5E2-9-4%28y%2B2%29%5E2%2B16%2B29=0\"\r
\n" ); document.write( "\n" ); document.write( "\"%28x-3%29%5E2-4%28y%2B2%29%5E2%2B16%2B29-9=0\"\r
\n" ); document.write( "\n" ); document.write( "\"%28x-3%29%5E2-4+%28y%2B2%29%5E2%2B36+=+0\"........both sides divide by \"-36\"\r
\n" ); document.write( "\n" ); document.write( "\"%28x-3%29%5E2%2F-36-4+%28y%2B2%29%5E2%2F-36%2B36%2F-36+=+0\"\r
\n" ); document.write( "\n" ); document.write( "\"-%28x-3%29%5E2%2F36%2B+%28y%2B2%29%5E2%2F9-1+=+0\"\r
\n" ); document.write( "\n" ); document.write( "\"%28y%2B2%29%5E2%2F9-%28x-3%29%5E2%2F36=1\"\r
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