Casio CFX-9970G Manuel - Page 8

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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]

+ 3

+ Y

– 2X –

200