Question 947856
The vertices occur at {{{x=sqrt(6)}}}, {{{x=-sqrt(6)}}},{{{y=sqrt(11)}}},and {{{y=-sqrt(11)}}}.
The foci occur at 
{{{c^2=b^2-a^2}}}
{{{c^2=11-6}}}
{{{c^2=5}}}
So then the foci are located at {{{x=0}}},{{{y=-sqrt(5)}}} and {{{x=0}}},{{{y=sqrt(5)}}}. that is, on the y-axis.