Casio fx-9750G Sketch Function - Manual (Page 11)

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4. Display the sketch menu and perform the following operation to draw a line be-
tween the two points.
!4 (Sketch) 6 (
g
)
2 (LINE) 1 (Line)
uuuuu
To draw a line in the STAT, GRAPH, TABLE, RECUR and CONICS
Modes
Example To draw a line between two points of inflection on the graph of
y = x ( x + 2)( x – 2)
1. After graphing the function, display the sketch menu and perform the following
operation to cause the pointer to appear on the graph screen.
!4 (Sketch) 6 (
g
) 2 (LINE) 2 (F•Line)
2. Use the cursor keys (
f
,
c
,
d
,
e
) to move the pointer to one of the points of
inflection and press w .
d
~
df
~
f
w
3. Use the cursor keys to move the pointer to the other point of inflection and press
w to draw the line.
e
~
ec
~
c
w
uuuuu
To draw a line in the RUN or PRGM Mode
The following is the syntax for drawing lines in these modes.
F-Line < x -coordinate 1>, < y -coordinate 1>, < x -coordinate 2>, < y -coordinate 2>
Graphing with the Sketch Function
10 - 2