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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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Now available: Coolmath Algebra books! Part 1, Part 2 and Part 3 covering the Algebra you need from Algebra 1 through Precalculus Algebra (Beginning Algebra through College Algebra)

other Coolmath Books: Coolmath Precalculus Review (the math you really need to survive Calculus 1) and Math Survival Guide (How to conquer math and deal with math anxiety)
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Graphing Calculator Scientific Calculator << a new window will open for these
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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?

a 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.

 The printing and distribution and/or downloading of these lessons is strictly prohibited.
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Graphing Calculator Scientific Calculator << a new window will open for these
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