Math thing

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Across
  1. 3. a horizontal line drawn over a group of terms
  2. 4. statements assumed to be true without any requirement of proof
  3. 6. consists of a horizontal x-axis and a vertical y-axis
  4. 9. a line that continually approaches a given curve
  5. 10. a symmetrical open plane curve
  6. 12. An early counting tool used for basic arithmetic
  7. 13. A segment joining two points on a circle
  8. 14. used to write non-whole numbers
  9. 15. an infinite sum of terms
  10. 17. circle that is embedded and cannot be untangled
  11. 19. Not infinite
  12. 20. An algebraic expression made up
  13. 21. a statistical term that describes a division of observations
  14. 23. the exponent or power to which a base must be raised to yield a given number
Down
  1. 1. function of which a given function is the derivative
  2. 2. A polynomial having a degree of
  3. 5. ongruent plane figures
  4. 7. studies properties of spaces that are invariant under any continuous deformation
  5. 8. two sets of opposite sides that are parallel
  6. 11. A graph that uses bars that equal ranges
  7. 16. educated guess
  8. 18. the rate of change of a function
  9. 22. a slightly flattened circle