document.write( "Question 1138243: Find the vertices and foci of the hyperbola with equation quantity x plus 5 squared divided by 81 minus the quantity of y minus 3 squared divided by 144 = 1.
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\n" ); document.write( "Vertices: (4, 3), (-14, 3); Foci: (-20, 3), (10, 3)
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\n" ); document.write( "Vertices: (3, 7), (3, -17); Foci: (3, -17), (3, 7)
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\n" ); document.write( "Vertices: (7, 3), (-17, 3); Foci: (-17, 3), (7, 3)
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\n" ); document.write( "Vertices: (3, 4), (3, -14); Foci: (3, -20), (3, 10)
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Algebra.Com's Answer #756099 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "Find the vertices and foci of the hyperbola with equation quantity \r
\n" ); document.write( "\n" ); document.write( "\"%28x+%2B5%29%5E2%2F+81+-+%28+y-3%29%5E2+%2F144+=+1+\"\r
\n" ); document.write( "\n" ); document.write( "compare to standard form:\r
\n" ); document.write( "\n" ); document.write( "\"%28x+-h%29%5E2%2F+a%5E2+-+%28+y-k%29%5E2+%2Fb%5E2=+1+\"\r
\n" ); document.write( "\n" ); document.write( "it's Right-left Hyperbola with:\r
\n" ); document.write( "\n" ); document.write( "=> \"a%5E2=81\"=>\"a=9\"
\n" ); document.write( "=> \"b%5E2=144\"=>\"b=12\"
\n" ); document.write( "=> \"h=-5\",\"k=3\"\r
\n" ); document.write( "\n" ); document.write( "the center is at (\"h\", \"k\")
\n" ); document.write( "=> center is at:(\"-5\",\"3\")\r
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\n" ); document.write( "\n" ); document.write( "\"c%5E2=a%5E2%2Bb%5E2\"
\n" ); document.write( "\"c%5E2=144%2B81\"
\n" ); document.write( "\"c=sqrt%28225%29\"
\n" ); document.write( "\"c=15\"\r
\n" ); document.write( "\n" ); document.write( "the foci are at (\"h%2Bc\",\"+k\" ), (\"h-c\",\"+k\" )\r
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\n" ); document.write( "\n" ); document.write( "=>the foci are at (\"-20\",\"+3\") , (\"10\",\"+3\")\r
\n" ); document.write( "\n" ); document.write( "the vertices are at (\"h%2Ba\",\"+k\" ), (\"h-a\", \"k\" )\r
\n" ); document.write( "\n" ); document.write( "=>the vertices are at (\"4\",\"+3\") and (\"-14\", \"3\")\r
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\n" ); document.write( "\n" ); document.write( "answer:\r
\n" ); document.write( "\n" ); document.write( "Vertices: (\"4\",\"+3\"), (\"-14\", \"3\"); Foci:(\"-20\",\"+3\") , (\"10\",\"+3\")\r
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