polynomial crossword puzzle

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Across
  1. 4. 2n^6 + 7n + 3y + 9 is an example of... (# of terms)
  2. 6. 2x^2 + 4 is an example of...
  3. 7. 2n^3 + 6n + 9y is an example of... (# of terms)
  4. 9. The highest sum of exponents
  5. 10. 2n^2 + 3n is an example of... (# of terms)
  6. 11. 2x + 4 is an example of...
  7. 12. 2x^3 + 4 is an example of...
  8. 13. 2x^4 + 4 is an example of...
Down
  1. 1. When you order the numbers from largest to smallest in an equation
  2. 2. 3^2 (what is the 2 representing?)
  3. 3. A polynomial with only one term
  4. 5. A number that is before the leading variable
  5. 8. Used to describe letters and other general symbols that are used to represent numbers