Casio CFX-9950GB PLUS Graph Manual - Page 10

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Casio CFX-9950GB PLUS Graph Manual
14 - 3
Conic Section Graph Analysis
u u u u u To draw and analyze the axis of symmetry and directrix
u u u u u To draw and analyze the asymptotes
202
Example
To draw the axis of symmetry and directrix for the parabola
X = 2(Y – 1)
Use the following View Window parameters.
Xmin
Xmax = 6.3
Xscale = 1
5 (G-Solv)
2 (SYM)
(Draws the axis of symmetry.)
5 (G-Solv)
3 (DIR)
(Draws the directrix.)
Example
To draw the asymptotes for the hyperbola
(X – 1)
–––––––––– – –––––––––– = 1
2
2
Use the following View Window parameters.
Xmin
Xmax = 6.3
Xscale = 1
5 (G-Solv)
5 (ASYM)
(Draws the asymptotes.)
2
+ 1
= –6.3
Ymin
Ymax = 3.1
Yscale = 1
2
(Y – 1)
2
2
2
= –6.3
Ymin
Ymax = 5
Yscale = 1
[G-Solv]-[SYM]/[DIR]
= –3.1
[G-Solv]-[ASYM]
= –5