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Casio fx-9860G SD User Manual

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20050401

u To draw and analyze the axis of symmetry and directrix

[G-SLV]-[SYM]/[DIR]

○ ○ ○ ○ ○

Example

To draw the axis of symmetry and directrix for the parabola
X = 2(Y – 1)

2

+ 1

Use the following V-Window settings.

Xmin = –6.3, Xmax = 6.3, Xscale = 1

Ymin = –3.1, Ymax = 3.1, Yscale = 1 (initial defaults)

mCONICS

w

c

wbwbw6(DRAW)

!5(G-SLV)

2(SYM)

(Draws the axis of symmetry.)

!5(G-SLV)

3(DIR)

(Draws the directrix.)

5-11-21

Function Analysis