P.G-GPE.A.3

Derive the equations of ellipses and hyperbolas given the foci, using the fact that the sum or difference of distances from the foci is constant.

Example Problems
The equation of an ellipse is given below.


What are the
foci of this ellipse?
The equation of an ellipse is given below.


What are the
foci of this ellipse?
The equation of an ellipse is given below.


What are the
foci of this ellipse?
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