Question 830405: The equation of an ellipse is shown.
(x+2)^2/100+(y+7)^2/36=1
What is the length of its major axis?
Answer by richwmiller(17219)   (Show Source):
You can put this solution on YOUR website! ellipse
foci | (-10, -7) | (6, -7)
vertices | (-12, -7) | (8, -7)
center | (-2, -7)
semimajor axis length | 10
semiminor axis length | 6
area | 60 pi~~188.496
perimeter | 40 E(16/25)~~51.054
focal parameter | 9/2 = 4.5
eccentricity | 4/5 = 0.8
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