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1.1 - Graphs and Graphing Utilities

# 1.1 - Graphs and Graphing Utilities -

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<?xml version="1.0" encoding="utf-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>1.1 - Graphs and Graphing Utilities</title> <link href=". ./m116.css" rel="stylesheet" type="text/css" /> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> </head> <body> <h1>1.1 - Graphs and Graphing Utilities</h1> <h2>TI-82</h2> <p>There are several kinds of graphs that the TI-82 or TI-83 will do, but they are accessed from the same key. The [y=] key and the [2<sup>nd</sup>] [y=] or [StatPlot] key. The two major kinds of plots may cause confusion when mixed, so it is best to turn off all unnecessary plots before trying to graph an equation. </p> <p>To turn off all statistical plots, hit [StatPlot] and choose option 4 - PlotsOff. Hit enter to finish the command. </p> <p>To turn off a regular plot, one can either hit [Clear] while on an equation, or arrow to the left so that the cursor is on the equal sign, and press enter to toggle the display of that equation.</p> <h2>Graphing Equations with the Calculator</h2> <p>Equations must be solved explicitly for y before being placed into the calculator. In other words, y must be written as a function of x before entering the equation into the calculator. </p> <p>Sometimes, equations can't be solved for y. Other times, the result is not a function. In this case, you may need two y functions.</p> <p>x<sup>2</sup> + y<sup>2</sup> = 16 has the solutions y = + sqrt(16 - x<sup>2</sup>) and y = - sqrt(16 - x<sup>2</sup>)</p>

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## This note was uploaded on 10/18/2011 for the course MAT 1033 taught by Professor Brown during the Spring '10 term at Valencia.

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1.1 - Graphs and Graphing Utilities -

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