Algebra Crossword Puzzle

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Across
  1. 2. The set of values of the independent variable
  2. 4. Rhymes with munchkin
  3. 8. Symbol for a number unknown
  4. 10. Just square it
  5. 11. Rhymes with persuation
  6. 12. Multiply out the parts of an expression
  7. 14. The rate of change of position is knowned
  8. 15. The number that occurs most often in a list
  9. 16. The ratio of the change in the output value and change in the input value of a function
  10. 18. Rhymes with pollution
  11. 19. Opposite of multiply
Down
  1. 1. What rhymes with radical?
  2. 3. Average of a group of numbers
  3. 5. Greater than,less than or equal to
  4. 6. Rhymes with dramatic
  5. 7. A point where two or more straight lines meet
  6. 9. The magnitude of a real number without regard to its sign
  7. 13. Rhymes with chemistry
  8. 17. The set of y-values of a function or relation
  9. 18. Breaking down a fraction or number as much as it can go