Casio fx-9750G Implicit Function Graphs Manual do Utilizador descarregar pdf (Página 7)

229

uu

uu

uTo calculate the focus and vertex

Example To determine the focus and vertex 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)

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 calcu-

late 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.

uu

uu

uTo calculate the latus rectum

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)

1 23456

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Implicit Function Graph Analysis 14 - 3

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