Conic Sections
AP Precalculus · Flashcards
AP PRECALCULUS · FLASHCARDS
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QUESTION
Identify the conic section:
y
2
=
4
x
y^2 = 4x
y
2
=
4
x
.
QUESTION
Identify the conic section:
x
2
−
y
2
=
16
x^2 - y^2 = 16
x
2
−
y
2
=
16
.
QUESTION
Find the center of the circle
(
x
−
3
)
2
+
(
y
+
5
)
2
=
36
(x-3)^2 + (y+5)^2 = 36
(
x
−
3
)
2
+
(
y
+
5
)
2
=
36
.
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ANSWER
(3, -5). The center is at
(
h
,
k
)
(h,k)
(
h
,
k
)
in the vertex form
(
x
−
h
)
2
+
(
y
−
k
)
2
=
r
2
(x-h)^2 + (y-k)^2 = r^2
(
x
−
h
)
2
+
(
y
−
k
)
2
=
r
2
.
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