Lines - Cool math Algebra Help Lessons - The Rectangular Coordinate System

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Coolmath Algebra
Lines Lesson 1 - The Rectangular Coordinate System (page 1 of 1)
---- This algebra lesson introduces the rectangular (Cartesian) coordinate system.

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This is just a grid that you'll be drawing all sorts of cool math things on -- like lines.

Remember our old number line?

Well, now we're going to do this in two directions -- make that two dimensions!

Check it out:

the rectangular coordinate system ... the horizontal line is the x-axis and the vertical line is the y-axis.

Think of it as a floor -- a two dimensional plane that you can draw stuff on.

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