maths magic

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Across
  1. 4. a value that never changes
  2. 5. formulae of linear equations in two variable
  3. 6. a graph with one x axis and one y axis
  4. 10. longest mmathematical term
Down
  1. 1. a partying point of both axis
  2. 2. in terms of algeba 'x'or any other alphabet can be called a_______
  3. 3. synonym of y-axis
  4. 7. professional name of x-axis
  5. 8. do number line has an end
  6. 9. term used to describe distance between two points