Coordinate Geometry

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Across
  1. 2. Quadrant that (1, -2) is found in
  2. 4. Rene Descartes birthplace
  3. 7. Quadrant with all negative coordinates
  4. 8. Name of point (0, 0)
  5. 9. Quadrant that (-1, 2) is found in
  6. 10. Direction of y axis
Down
  1. 1. Name given to a quarter of the grid
  2. 3. Name of 2D plane
  3. 5. Direction of x axis
  4. 6. The distance of the point (0,-3) from the origin