document.write( "Question 1186713: Find the equation of hyperbola, foci at (3,5) and (3,-5), length of transverse axis is 6. \n" ); document.write( "
Algebra.Com's Answer #817670 by MathLover1(20850)\"\" \"About 
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Find the equation of hyperbola, \r
\n" ); document.write( "\n" ); document.write( "given:
\n" ); document.write( "foci at (\"3\",\"5\") and (\"3%2C%7B%7B%7B-5\"), \r
\n" ); document.write( "\n" ); document.write( "the center is half way between, C(\"3\",\"0\")=> \"h=3\" and \"k=0\"\r
\n" ); document.write( "\n" ); document.write( "length of transverse axis is \"6\"=>\"2a=6\"=>\"a=3\"\r
\n" ); document.write( "\n" ); document.write( "Standard form of equation for a hyperbola with a vertical transverse axis : \r
\n" ); document.write( "\n" ); document.write( "\"%28y-k%29%5E2%2Fa%5E2-%28x-h%29%5E2%2Fb%5E2=1+\"\r
\n" ); document.write( "\n" ); document.write( "The distance between the foci is \"2c\". \r
\n" ); document.write( "\n" ); document.write( "in your case \"2c=10\"->\"c=5\"\r
\n" ); document.write( "\n" ); document.write( "then
\n" ); document.write( "\"c%5E2+=+a%5E2+%2B+b%5E2\"
\n" ); document.write( "\"5%5E2+=+3%5E2+%2B+b%5E2\"
\n" ); document.write( "\"25+-+9+=+b%5E2\"
\n" ); document.write( "\"16=+b%5E2\"
\n" ); document.write( "\"b=4\"\r
\n" ); document.write( "\n" ); document.write( "substitute all known values in\r
\n" ); document.write( "\n" ); document.write( "\"%28y-k%29%5E2%2Fa%5E2-%28x-h%29%5E2%2Fb%5E2=1+\"\r
\n" ); document.write( "\n" ); document.write( "\"%28y-0%29%5E2%2F3%5E2-%28x-3%29%5E2%2F4%5E2=1+\"\r
\n" ); document.write( "\n" ); document.write( "\"y%5E2%2F9-%28x-3%29%5E2%2F16=1+\" -> your equation\r
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