Casio CFX-9970G User Manual page 223

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