Question 963664
{{{(X+1)/4^2+Y^2=1}}}


Major axis length, 4, as from {{{abs(sqrt(4))}}}+{{{abs(sqrt(4))}}},
Minor axis length, 2.


Center is (-2,0).
Vertices are (-4,0), (0,0), (0,1), (0,-1).


Your textbook should show you how to understand the relationship among c, b, a, to help find the coordinates of the focus.  Your sample equation has a=2 and b=1.