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By Deb Russell

Notice in the Cartesian Plane that the 2 intersecting number lines are drawn to scale. There are 4 quadrants, the positive direction is upward and to the right, the negative direction is downward and to the left.

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- Cartesian Plane (See Next for Ordering Pairs)
- More on the Cartesian Plane
- Cartesian Plane and Ordered Pairs
- Ordered Pairs and Locating Points

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