68
Graphing
Chapter 4
u
u
u
u
u
To draw a line between two plotted points
In the STAT, GRAPH or TABLE Mode
Example
To draw a line between the two points of inflection on the graph
of
y
=
x
(
x
+ 2)(
x
– 2)
Use the same View Window parameters as in the example on page
66.
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
(SKTCH)
3
(Plot)
2. Use the cursor keys (
f
,
c
,
d
,
e
) to move the pointer to one of the points
of inflection and press
w
to plot it.
d
~
df
~
f
w
3. Use the cursor keys to move the pointer to the other point of inflection.
e
~
ec
~
c
4. Display the sketch menu and perform the following operation to draw a line be-
tween the two points.
!4
(SKTCH)
4
(Line)
Summary of Contents for fx-7400G
Page 46: ...Differential Calculations Chapter 3 ...
Page 164: ...161 1 2 3 4 5 Program for Circle and Tangents No 4 Step Key Operation Display ...
Page 165: ...162 Program for Circle and Tangents No 4 Step Key Operation Display 6 7 8 9 10 ...
Page 166: ...163 11 12 13 14 15 Program for Circle and Tangents No 4 Step Key Operation Display ...
Page 167: ...164 16 17 18 Program for Circle and Tangents No 4 Step Key Operation Display ...
Page 170: ...167 1 2 3 4 5 Program for Rotating a Figure No 5 Step Key Operation Display ...