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Note 1H • Connecting the Points
The
connects a sequence of points with line segments. The order in
xyLine
which the points are connected is the order in which the coordinates appear in
the lists.
Enter data and set the window as described in Note 1F.
Displaying the Connected Points
a. Clear or turn off any equations in the
cursor anywhere in an equation and press
Or, move the cursor over the highlighted equal sign of any equation
that you don't want to delete, and press
b. Press
[STAT PLOT]
2nd
stat plots.)
c. Select
,
,
On
xyLine
(if your y-coordinates are in list
Ylist
indicate the data points.
d. Press
.
GRAPH
If the points are not listed in ascending order by their x-coordinates, your
will be scrambled with the line segments criss-crossing each other. To reorder
your points correctly, go to the Home screen and press
Complete the command
command puts list
in ascending order but maintains the original pairings
L
1
between list
and list
L
L
1
2
Tracing Connected Points
Press
. The trace option always starts with the stat plots and then moves
TRACE
to equations in the
screen (if any are turned on), even if you can't see them
Y
in the current window. Be sure to turn off any plots and any equations you do
not want to see or trace.
©2007 Key Curriculum Press
Y
ENTER
(
). (You can choose any of the three
Plot1...
1
for
(if your x-coordinates are in list
L
Xlist
1
), and choose a mark type to
L
2
and press
Sort (L
, L
)
ENTER
1
2
. (See Note 10B.)
Discovering Algebra Calculator Notes for the Texas Instruments TI-83 and TI-83/84 Plus
screen. (Press
. Place the
Y
to delete the equation.
CLEAR
to turn off the equation.)
),
L
L
1
2
and select
STAT
2:Sort A(.
. Notice that the sort
TI-83 and TI-83/84 Plus
for
xyLine
(continued)
19
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