1.1_bzca5e - Section 1.1 Graphs and Graphing Utilities...

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Section 1.1 Graphs and Graphing Utilities
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Points and Ordered Pairs
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Plot points on the rectangular coordinate system. Plot the x coordinate first then the y coordinate. This is an ordered pair of real numbers. (x,y)
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Example Plot the following points: (-4,3), (-1,-1), (0,3), (2,-4), (3,0) -4 -3 -2 -1 1 2 3 4 5 -4 -3 -2 -1 1 2 3 4 x y
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Graphs of Equations
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The graph of an equation in two variables is the set of all points whose coordinates satisfy the equation. 2 3 y x = - x y -2 1 -1 -2 0 -3 1 -2 2 1 -4 -3 -2 -1 1 2 3 4 5 -4 -3 -2 -1 1 2 3 4 x y
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Example Graph the following equation and construct a table: 2 y x = - -4 -3 -2 -1 1 2 3 4 5 -4 -3 -2 -1 1 2 3 4 x y x y
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Graphing Equations and Creating Tables Using a Graphing Utility
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Graphing Calculators or graphing software packages for computers are referred to as graphing utilities or graphers. Below you will find the viewing rectangle.
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Graphing Calculator The Viewing Rectangle Xmin Xmax Ymax Ymin Xscl Yscl The meaning of the terms is demonstrated at right. This is the window that
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This document was uploaded on 10/26/2011 for the course FKP bmfp at UTEM Chile.

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1.1_bzca5e - Section 1.1 Graphs and Graphing Utilities...

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