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Fill in the blanks:
The eccentricity of the ellipse is given by ________.
e=c/a
e=a/c
e=v/a
When the eccentricity is exactly to 1, the ellipse is ____________.
Circular
parabola
elongated
Is the statement true or false?
The eccentricity of an ellipse is defined as the ratio of the distance between the center of the ellipse to one of the foci.
True
False
When the eccentricity is close to 0, the ellipse is almost ____________.
elliptic
None
If the eccentricity of an ellipse is 0.5, the ellipse is:
Almost circular
highly elongated
a straight line
When the eccentricity is exactly to 0, the ellipse is ____________.
circle
When the eccentricity is close to 1, the ellipse is elongated ____________.
The eccentricity of an ellipse is a measure of how ‘’ stretched out’’ or elongated the ellipse is.
The eccentricity of ellipse is =c/a , where c is the distance between the center to one of the _____________
Foci
vertices
co-vertices
In an ellipse, the eccentricity can be:
Any positive real number
only an integer
only a fraction
It is done.