Conics - Ellipse - Conic Sections

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Conics - Ellipse


ellipse: the sum of the distances from any point on an ellipse to each focus is constant and equal to the major axis 2a2a.
c=a2b2c= \sqrt{a^2 - b^2} aa: distance from the center to a vertex
bb: distance from the center to a co-vertex
cc: distance from the center to a focus

e=cae= \frac{c}{a} ee: eccentricity; the larger the value of ee, the more “squished” the ellipse
  • 1.
    properties of an ellipse
    Sketch each ellipse and state the:
    i) center
    ii) major axis and vertices
    iii) minor axis and co-vertices
    iv) foci
    v) eccentricity
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Conics - Ellipse

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