Graphing Equations

Graph the following:y=x+3x-4

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Graphing Equations

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Apr 09, 2010
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by: Karin

In order to graph this equation, you must first combine like terms. x + 3x are like terms because they both contain the variable x.

y= x + 3x - 4
y = 4x - 4 x + 3x = 4x

Now you have an equation written in slope intercept form. Your slope is 4 and the y-intercept is -4.
Plot your y-intercept and count a rise of 4 and run of 1 to find your next point.

For more information on graphing in slope intercept form, please visit:

http://www.algebra-class.com/slope-intercept-form.html

I hope this helps!

Karin

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