document.write( "Question 1108705: ellipse and hyperbola
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Algebra.Com's Answer #723722 by ikleyn(52803) $\"\"$ $\"About$

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document.write( "It is a hyperbola with y-axis as a real axis.\r\n" );
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document.write( "The center is at (0,0), the origin of the coordinate plane.\r\n" );
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document.write( "The vertices are the points of the curve lying at y-axis  x= 0.\r\n" );
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document.write( "So, substitute x= 0 into the equation and get  4y^2 = 144,\r\n" );
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document.write( "which implies  y^2 =  = 36,  y = +/- = +/-6.\r\n" );
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document.write( "So the vertices are  (0,6)  and  (0,-6).\r\n" );
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\n" ); document.write( "See the lesson\r
\n" ); document.write( "\n" ); document.write( " - Hyperbola definition, canonical equation, characteristic points and elements \r
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