Graphing Equations

by Maya
(Toronto,Canada)

Graph the following equations:
y+3x=4and y=1


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Graphing Equations

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Apr 08, 2010
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by: Karin

Hi Maya,

You are graphing two equations:
The first one is y + 3x = 4.

The easiest way to graph this is to rewrite it in slope intercept form.

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

-3 is the slope and 4 is the y-intercept.

Plot a point on (0,4) and then count a rise of -3(down 3) and a run of 1 (right 1).

For more help on graphing in slope intercept form, visit the following web page:

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

Your second equation is y = 1. This is a horizontal line that passes through (0,1).

Hope this helps,
Karin

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