Dani's crossword

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Across
  1. 3. two numbers divided
  2. 5. one term polynomial
  3. 9. two term polynomial
  4. 11. a+b=b+a
  5. 13. a=b, a+c = b+c
  6. 14. whole number
Down
  1. 1. fraction in special form
  2. 2. word for x-intercept
  3. 4. three term polynomial
  4. 5. the average
  5. 6. most often
  6. 7. (a+b)+c=a+(b+c)
  7. 8. two numbers added
  8. 10. two numbers multiplied
  9. 12. the middle