User manual - Chapter 5 Graphing

19990401

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*

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.