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# The Coordinate Plane

The Coordinate Plane. By: Christine Berg Edited By:VTHamilton. Definition. Coordinate Plane. The plane formed when 2 perpendicular number lines intersect at their zero points. Coordinate Plane. The perpendicular number lines form a grid on the plane. X-axis.

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## The Coordinate Plane

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1. The Coordinate Plane By: Christine Berg Edited By:VTHamilton

2. Definition Coordinate Plane The plane formed when 2 perpendicular number lines intersect at their zero points

3. Coordinate Plane The perpendicular number lines form a grid on the plane

4. X-axis The horizontal number line • Positive to the right • Negative to the left

5. Y-axis The vertical number line • Positive upward • Negative downward

6. Origin Where the x and y axes intersect at their zero points

7. Quadrants The x and y axes divide the coordinate plane into 4 parts called quadrants

8. II I IV III

9. Ordered Pair A pair of numbers (x , y) assigned to a point on the coordinate plane

10. Ordered Pair X-coordinate (x , y) Y-coordinate

11. Plotting a Point Step 1: Begin at the Origin

12. Plotting a Point Step 2: Locate x on the x-axis

13. Plotting a Point Step 3: Move up or down to the value of y

14. Plotting a Point Step 4: Draw a dot and label the point

15. In Your Own Words • What is a coordinate plane? • Define origin • How do you plot a point?

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