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In this unit we'll be learning about equations in two variables. A coordinate plane is an important tool for working with these equations. It is formed by a horizontal number line, called the x-axis, and a vertical number line, called the y-axis. The two axes intersect at a point called the origin.

You can locate any point on the coordinate plane by an ordered pair of numbers (x,y), called the coordinates.

Move your mouse cursor over the coordinate plane to learn more.

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 ·  The coordinate plane

 ·  Slope and y-intercept

 ·  Graphing linear
    equations


First Glance In Depth Examples Workout
First Glance   In Depth   Examples   Workout

The coordinate plane