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20070201

Example Draw a line that is tangent to point (2, 0) on the graph for

y = x ( x + 2)( x – 2).

Use the following V-Window settings.

Xmin = –6.3, Xmax = 6.3, Xscale = 1

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

Procedure

1 m GRAPH

2 !3(V-WIN)1(INIT)J

3 !m(SET UP)cccccc1( )J

4 3(TYPE)1(Y=)v(v+c)(v-c)w

5 6(DRAW)

6 !4(SKTCH)2(Tang)

7 e~ew*

Result Screen

5-10-2

Changing the Appearance of a Graph

You can draw a tangent line in succession by

moving the “

” pointer and pressing w.

Casio fx-9860G Series User Manual

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