We know, equation of ellipse is given by :

Here,
(h,k) is centre of the ellipse = (0,0).
a = major axis = 8.
b = minor axis = 4.
Putting all given value in above equation, we get :

Hence, this is the required solution.
Answer:
9 is the answer
Step-by-step explanation:
B don’t quote me if I’m wrong
Answer:
Step-by-step explanation: