Casio CFX-9970G User Manual page 221

14 - 3
Implicit Function Graph Analysis
• When calculating two foci for an ellipse or hyperbolic graph, press e to
• When calculating two vertexes for a hyperbolic graph, press e to calculate
u u u u u To calculate the latus rectum
Example
u u u u u To calculate the center and radius
Example
5 (G-Solv)
1 (FOCS)
(Calculates the focus.)
5 (G-Solv)
4 (VTX)
(Calculates the vertex.)
calculate the second focus. Pressing d returns to the first focus.
the second vertex. Pressing d returns to the first vertex.
To determine the latus rectum for the parabola X = (Y – 2)
Use the following View Window parameters.
Xmin = –1
Xmax = 10
Xscale = 1
5 (G-Solv)
5 (LEN)
(Calculates the latus rectum.)
To determine the center and radius for the circle X
2Y – 3 = 0
Use the following View Window parameters.
Xmin = –6.3
Xmax = 6.3
Xscale = 1
Ymin = –5
Ymax = 5
Yscale = 1
[G-Solv]-[CNTR]/[RADS]
Ymin = –3.1
Ymax = 3.1
Yscale = 1
[G-Solv]-[LEN]
2
+ 3
2 + Y 2 – 2X –
200