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8/3/2019 Hyperbola Derived
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Jeff Bivin -- LZHS
Last Updated: October 11, 2005
8/3/2019 Hyperbola Derived
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Jeff Bivin -- LZHS
Hyperbola
The set of all co-planar points whosedifference of the distances from two fixedpoints (foci) are constant.
8/3/2019 Hyperbola Derived
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Jeff Bivin -- LZHS
Hyperbola
c2= a2 + b2
8/3/2019 Hyperbola Derived
4/13
Jeff Bivin -- LZHS
Hyperbola
The set of all co-planar points whose difference of thedistances from two fixed points (foci) are constant.
8/3/2019 Hyperbola Derived
5/13
Jeff Bivin -- LZHS
Hyperbola
The set of all co-planar points whose difference of thedistances from two fixed points (foci) are constant.
8/3/2019 Hyperbola Derived
6/13
Jeff Bivin -- LZHS
Hyperbola
The set of all co-planar points whose difference of thedistances from two fixed points (foci) are constant.
8/3/2019 Hyperbola Derived
7/13Jeff Bivin -- LZHS
Hyperbola
The set of all co-planar points whose difference of thedistances from two fixed points (foci) are constant.
8/3/2019 Hyperbola Derived
8/13Jeff Bivin -- LZHS
Hyperbola
The set of all co-planar points whose difference of thedistances from two fixed points (foci) are constant.
8/3/2019 Hyperbola Derived
9/13Jeff Bivin -- LZHS
Hyperbola
P
F2F1
(x, y)
(-c, 0) (c, 0)(0, 0)
aoycxoycx 2)()()()]([(2222
aycxycx 2)()(
2222
PF1 - PF2 = 2a
8/3/2019 Hyperbola Derived
10/13Jeff Bivin -- LZHS
aycxycx 2)()(2222
2222 )(2)( ycxaycx
222222 )(2)( ycxaycx 2222222 )()(44)( ycxycxaaycx
22222222)(442 cxcxycxaacxcx
222 )(444 ycxaxca
222)( ycxaxca
4
8/3/2019 Hyperbola Derived
11/13Jeff Bivin -- LZHS
222)( ycxaxca
2
2222 )( ycxaxca
2222224 )(2 ycxacxxcaa
22222224 22 ycxcxacxxcaa
2222222222422 yacaxcaxacxxcaa
222222224yacaxacxa
8/3/2019 Hyperbola Derived
12/13Jeff Bivin -- LZHS
222222224yacaxacxa 222 bacthatremember
22222222224 yabaaxabaxa 222242222224
yabaaxaxbxaa
222222yabaxb
222222bayaxb
22
22
22
22
22
22
baba
baya
baxb
12
2
2
2
b
y
a
x
22ba
8/3/2019 Hyperbola Derived
13/13Jeff Bivin -- LZHS
)0,0(atcenterahasthis
12
2
2
2
b
y
a
x
),( khatiscentertheif
1
2
2
2
2
b
ky
a
hx