Question 370138
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Hi,
{{{((x - h)^2/a^2) + ((y - k)^2/b^2) = 1}}} Where (h.k) is the center.  
a and b the distance to the vertices from the center.
vertices (0,12) and (0,-12) and co-vertices (2,0) and (-2,0)
Center is Pt(0,0)
the equation of this ellipse
{{{x ^2/4 + y^2/144 = 1}}}
{{{drawing(300,300, -5,5,-15,15, grid(1),
circle(-2,0,0.2),
circle(2,0,0.2),
circle(0,-12,0.2),
circle(0,12,0.2),
circle(0,0,0.2),
graph(300,300, -5,5,-15,15, 0,+12sqrt(1-(1/4)(x)^2)),
graph(300,300, -5,5,-15,15, 0,-12sqrt(1-(1/4)(x)^2)))}}}