Casio fx-9750G PLUS User Manual
Page 228
200
5
(G-Solv)
1
(FOCS)
(Calculates the focus.)
5
(G-Solv)
4
(VTX)
(Calculates the vertex.)
• When calculating two foci for an ellipse or hyperbolic graph, press e to
calculate the second focus. Pressing d returns to the first focus.
• When calculating two vertexes for a hyperbolic graph, press e to calculate
the second vertex. Pressing d returns to the first vertex.
u
u
u
u
u
To calculate the latus rectum
[G-Solv]-[LEN]
Example
To determine the latus rectum for the parabola X = (Y – 2)
2
+ 3
Use the following View Window parameters.
Xmin = –1
Ymin = –5
Xmax = 10
Ymax = 5
Xscale = 1
Yscale = 1
5
(G-Solv)
5
(LEN)
(Calculates the latus rectum.)
u
u
u
u
u
To calculate the center and radius
[G-Solv]-[CNTR]/[RADS]
Example
To determine the center and radius for the circle
X
2
+ Y
2
– 2X – 2Y – 3 = 0
Use the following View Window parameters.
Xmin = –6.3
Ymin = –3.1
Xmax = 6.3
Ymax = 3.1
Xscale = 1
Yscale = 1
14 - 3
Conic Section Graph Analysis