Question 947818
{{{y^2/4 - x^2/25 = 1}}} => {{{a=2}}} and {{{b=5}}}

semimajor axis length | {{{2}}}
semiminor axis length | {{{5}}}

vertices | ({{{0}}}, {{{-a}}})  |  ({{{0}}}, {{{a}}}) 
=> vertices | ({{{0}}}, {{{-2}}})  |  ({{{0}}}, {{{2}}})


{{{ graph( 600, 600, -10, 10, -10, 10,-sqrt(4(x^2/25+ 1)) ,sqrt(4(x^2/25+ 1))) }}}