Texas Instruments TI-84 PLUS SILV Guidebook - Page 132
Drawing Horizontal and Vertical Lines, Drawing a Line Directly on a Graph
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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 or 4:Vertical from the DRAW menu. A line is displayed that moves as you 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 Horizontal or Vertical, press '. Drawing a Line from the Home Screen or a Program Horizontal (horizontal line) draws a horizontal line at Y=y. y, which can be an expression but not a list. Horizontal y Vertical (vertical line) draws a vertical line at X=x. x, which can be an expression but not a list. Vertical x To instruct the TI-84 Plus to draw more than one horizontal or vertical line, separate each instruction with a colon ( : ). MathPrint™ Classic Chapter 8: Draw Instructions 125