5-2-8

Controlling What Appears on a Graph Screen

Example

Graph y = (x + 5)(x + 4)(x + 3), and then perform a box zoom.

 

Use the following V-Window settings.

 

Xmin = –8,

Xmax = 8,

Xscale = 2

 

Ymin = – 4,

Ymax = 2,

Yscale = 1

Procedure

1mGRAPH

!3(V-WIN)-iwiwcwc -ewcwbwJ

3(TYPE)1(Y=)(v+f)(v+e) (v+d)w

6(DRAW)

2!2(ZOOM)1(BOX)

3d~dw

4d~d,f~fw

Result Screen

#You must specify two different points for box zoom, and the two points cannot be on a straight line vertically or horizontally from each other.

20050401