Casio ALGEBRA FX 2.0 Plus - Page 71

19990401
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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 = –5, Xmax = 5, Xscale = 1
Ymin = –5, Ymax = 5, Yscale = 1
Procedure
1 m GRPH
•
TBL
!K(V-Window) -fwfwbwc
-fwfwbwi
3(TYPE)b(Y=)v(v+c)(v-c)w
5(DRAW)
2 3(SKTCH)g(Tangnt)
3 e~ew*
1
Result Screen
5-10-2
Changing the Appearance of a Graph
*
1
You can draw a tangent line in succession by
moving the “
” pointer and pressing w.