Casio fx-9750G Graphing User Manual
Page 29
153
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To use factor zoom
With factor zoom, you can zoom in or zoom out on the display, with the current
pointer location being at the center of the new display.
• Use the cursor keys (
d
,
e
,
f
,
c
) to move the pointer around the display.
Example
Graph the two functions below, and enlarge them five times in
order to determine whether or not they are tangential.
Y1 = (
x
+ 4) (
x
+ 1) (
x
– 3)
Y2 = 3
x
+ 22
Use the following View Window parameters.
Xmin
= –8
Ymin
= –30
Xmax = 8
Ymax = 30
Xscale = 5
Yscale = 10
1. After graphing the functions, press
2
(Zoom), and the pointer appears on the
screen.
2
(Zoom)
2. Use the cursor keys (
d
,
e
,
f
,
c
) to move the pointer to the location that
you want to be the center of the new display.
d
~
d
f
~
f
3. Press
2
(FACT) to display the factor specification screen, and input the factor
for the
x
- and
y
-axes.
2
(FACT)
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1
2
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Other Graphing Functions
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