Drawing Horizontal And Vertical Lines - Texas Instruments TI-84 PLUS - Graphing Calculator Manual Book

Drawing Horizontal and Vertical Lines

Drawing a Line Directly on a Graph
To draw a horizontal or vertical line when a graph is displayed, follow these steps.
1. Select
3:Horizontal
move the cursor.
2. Place the cursor on the y-coordinate (for horizontal lines) or x-coordinate (for vertical lines)
through which you want the drawn line to pass.
3. Press Í to draw the line on the graph.
To continue drawing lines, repeat steps 2 and 3.
To cancel or
Horizontal
Drawing a Line from the Home Screen or a Program
(horizontal line) draws a horizontal line at
Horizontal
list.
Horizontal y
(vertical line) draws a vertical line at
Vertical
Vertical x
To instruct the TI-84 Plus to draw more than one horizontal or vertical line, separate each
instruction with a colon (
MathPrint™
or from the
4:Vertical DRAW
, press '.
Vertical
X=x
).
:
Classic
menu. A line is displayed that moves as you
. which can be an expression but not a
Y=y
y,
. which can be an expression but not a list.
x,
Chapter 8: Draw Instructions 125