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

1m GRAPH

!3(V-WIN)-iwiwcwc-ewcwbwJ 3(TYPE)1(Y=) (v+f)(v+e)(v+d)w6(DRAW)2!2(ZOOM)1(BOX)3d~dw4d~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.

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