Question 876549
X^2/25+y^2/16=1
ellipse
C(0,0)
Major axis along y= 0, V(5,0) and (-5,0) 
Minor along x = 0, V(0,4)& V( 0, -4)
Foci: sqrt(25-16) = 3 units right and left of Center along y = 0