Ellipse
An ellipse is the set of all points in a plane such that the sum of distances from two fixed points (foci) is constant.
Definition
Standard Equations
Key Elements
Example: Finding Elements
Relationship Between , , and
Practice Problems
- Find the foci and eccentricity of .
- Write the equation of an ellipse with vertices and foci .
- Find the length of the major and minor axes of .
- If the eccentricity of an ellipse is and the distance between foci is 8, find the equation.