Title: A hyperbola is the collection of points in the plane the difference of whose distances from two fixe
1A hyperbola is the collection of points in the
plane the difference of whose distances from two
fixed points, called the foci, is a constant.
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3Theorem Equation of a Hyberbola Center at (0,
0) Foci at ( c, 0) Vertices at ( a, 0)
Transverse Axis along the x-Axis
An equation of the hyperbola with center at (0,
0), foci at ( - c, 0) and (c, 0), and vertices at
( - a, 0) and (a, 0) is
The transverse axis is the x-axis.
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5Theorem Equation of a Hyberbola Center at (0,
0) Foci at ( 0, c) Vertices at (0, a)
Transverse Axis along the y-Axis
An equation of the hyperbola with center at (0,
0), foci at (0, - c) and (0, c), and vertices at
(0, - a) and (0, a) is
The transverse axis is the y-axis.
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7Theorem Asymptotes of a Hyperbola
The hyperbola
has the two oblique asymptotes
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9Theorem Asymptotes of a Hyperbola
The hyperbola
has the two oblique asymptotes
10Find an equation of a hyperbola with center at
the origin, one focus at (0, 5) and one vertex at
(0, -3). Determine the oblique asymptotes.
Graph the equation by hand and using a graphing
utility.
Center (0, 0)
Focus (0, 5) (0, c)
Vertex (0, -3) (0, -a)
Transverse axis is the y-axis, thus equation is
of the form
11 25 - 9 16
Asymptotes
12V (0, 3)
F(0, 5)
(4, 0)
(-4, 0)
F(0, -5)
V (0, -3)
13Hyperbola with Transverse Axis Parallel to the
x-Axis Center at (h, k) where b2 c2 - a2.
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15Hyperbola with Transverse Axis Parallel to the
y-Axis Center at (h, k) where b2 c2 - a2.
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17Find the center, transverse axis, vertices, foci,
and asymptotes of
18Center (h, k) (-2, 4)
Transverse axis parallel to x-axis.
Vertices (h a, k) (-2 2, 4) or (-4, 4)
and (0, 4)
19(h, k) (-2, 4)
Asymptotes
20y - 4 2(x 2)
y - 4 -2(x 2)
(-2, 8)
V (-4, 4)
V (0, 4)
F (2.47, 4)
F (-6.47, 4)
C(-2,4)
(-2, 0)