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March 3, 2015

March 3, 2015

Posted by **Sherrie** on Saturday, November 19, 2011 at 3:30am.

- pre-algebra -
**Damon**, Saturday, November 19, 2011 at 6:55am5 x + 3 y = 15

first look at what happens when x = 0

3 y = 15

y = 5

Mark that point on your graph where x = 0 and y = 5

(0,5) Your y axis intercept

that is five units above the origin

Now what happens when y = 0?

5 x = 15

x = 3

So when y = 0 , x = 3

Mark that point on your graph

(3,0) Your x axis intercept

That is three units to the right of the origin

Now draw a straight line through those two points and you are finished.

You could have chosen any old values for x or y, but choosing zero makes it easy.

Your y axis intercept is when x = 0 and your x axis intercept is when y = 0

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