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# Coordinate Plane[1]

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A Power Point presentation re: the Coordinate Plane (Algebra)

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### Coordinate Plane[1]

1. 1. The Coordinate Plane By: Matthew Burt IMPACT Cohort 22
2. 2. Definition <ul><li>The plane formed when 2 perpendicular number lines intersect at their zero points </li></ul>Coordinate Plane
3. 3. Coordinate Plane <ul><li>The perpendicular number lines form a grid on the plane </li></ul>
4. 5. X-axis <ul><li>The horizontal number line </li></ul><ul><li>Positive to the right </li></ul><ul><li>Negative to the left </li></ul>
5. 6. Y-axis <ul><li>The vertical </li></ul><ul><li>number line </li></ul><ul><li>Positive upward </li></ul><ul><li>Negative downward </li></ul>
6. 7. Origin <ul><li>Where the x and y axes intersect at their zero points </li></ul>
7. 9. Quadrants <ul><li>The x and y axes divide the coordinate plane into 4 parts called quadrants </li></ul>
8. 10. I II III IV
9. 11. Ordered Pair <ul><li>A pair of numbers (x , y) assigned to a point on the coordinate plane </li></ul>
10. 12. Ordered Pair <ul><li>(x , y) </li></ul>X-coordinate Y-coordinate
11. 13. Plotting a Point <ul><li>Step 1: </li></ul><ul><li>Begin at the Origin </li></ul>
12. 14. Plotting a Point <ul><li>Step 2: </li></ul><ul><li>Locate x on the x-axis </li></ul>
13. 15. Plotting a Point <ul><li>Step 3: </li></ul><ul><li>Move up or down to the value of y </li></ul>
14. 16. Plotting a Point <ul><li>Step 4: </li></ul><ul><li>Draw a dot and label the point </li></ul>
15. 17. In Your Own Words <ul><li>What is a coordinate plane? </li></ul><ul><li>Define origin </li></ul><ul><li>How do you plot a point? </li></ul>