Derive Equations of Ellipses and Parabolas
Geometry · Flashcards
GEOMETRY · FLASHCARDS
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QUESTION
What are the foci of a horizontal ellipse centered at
(
h
,
k
)
(h,k)
(
h
,
k
)
?
QUESTION
Find the center if the foci are
(
−
2
,
5
)
(-2,5)
(
−
2
,
5
)
and
(
8
,
5
)
(8,5)
(
8
,
5
)
.
QUESTION
What are the vertices of a vertical hyperbola centered at
(
h
,
k
)
(h,k)
(
h
,
k
)
?
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ANSWER
(
h
,
k
±
a
)
(h,\,k\pm a)
(
h
,
k
±
a
)
. Vertices are the endpoints of the transverse axis,
a
a
a
units from center.
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