algebra crosdword puzzle

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Across
  1. 4. combination of numbers
  2. 6. constant quantity placed before
  3. 10. opposite of an exponent
  4. 11. a word or phrase used to describe something
  5. 12. a u shape equation
  6. 13. a number quantity that is not a whole number
  7. 14. second and no high power of unknown variable
  8. 15. any number that can be written as a fraction
Down
  1. 1. a letter representing something unknown
  2. 2. increasing and becoming more rapid
  3. 3. something increasing
  4. 5. something decreasing
  5. 7. moving over a period of time
  6. 8. something changing to one thing to another
  7. 9. straight