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Unformatted text preview: Eccentricity of a parabola : _______ Eccentricity of an ellipse : between ______ and ______ Eccentricity of a hyperbola : _______________ than 1 9. Foci definition: A _________________ is the set of all points P in the plane whose distance to a fixed point, called the focus, equals its distance to a fixed line, called the directrix. 10. Draw and explain the reflective properties of a parabola . 11. Draw a line showing how the plane intersects the cone to form a hyperbola . 12. Foci definition: A hyperbola is the set of all points P in a plane such that the ________ of the distances from P to two fixed points, called the foci, is a constant. 13. Which is the only conic with asymptotes? ________________________________ 14. Draw and explain the reflective properties of a hyperbola ....
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- Summer '06
- Conic section