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# 7.18: Graphs of Linear Equations

Difficulty Level: Basic Created by: CK-12
Estimated8 minsto complete
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Practice Graphs of Linear Equations
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Estimated8 minsto complete
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### Vocabulary Language: English Spanish

linear equation

linear equation

A linear equation has solutions that are the coordinates on a graphed line.
Cartesian Plane

Cartesian Plane

The Cartesian plane is a grid formed by a horizontal number line and a vertical number line that cross at the (0, 0) point, called the origin.
Slope

Slope

Slope is a measure of the steepness of a line. A line can have positive, negative, zero (horizontal), or undefined (vertical) slope. The slope of a line can be found by calculating “rise over run” or “the change in the $y$ over the change in the $x$.” The symbol for slope is $m$

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Difficulty Level:
Basic
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8 , 9
Date Created:
Feb 24, 2012