Mathematics Crossword

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Across
  1. 1. Number of days in the week
  2. 3. 8 ounces make a ?
  3. 4. The inverse of subtracting
  4. 8. Where a line crosses an axis
  5. 11. circumference also
  6. 12. The 41st state of the USA
  7. 13. Polynomial with three terms
  8. 14. 8760 of these are in a year
  9. 15. A number without a variable attached
  10. 17. A letter that represent any number
  11. 21. y=mx+b is this type of function
  12. 22. Number that cannot be the divisor
Down
  1. 2. Another term for power
  2. 5. The inverse of multiplication
  3. 6. Flipping of a fraction
  4. 7. lbs in 64 oz
  5. 9. Multiplying of two binomials
  6. 10. Fraction
  7. 16. Is the study of mathematical symbols
  8. 18. All positive and negative counting numbers
  9. 19. Polynomial with two terms
  10. 20. Is the constant of circumference