Algebra 1 crossword puzzle

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Across
  1. 1. what is "^2" ex; 7^2
  2. 5. rise over run
  3. 8. bottom of the fraction is called
  4. 10. any number that can be written as a fraction
  5. 11. number in the middle
  6. 13. the distance from the center of the circle to any point on it's circumference.
  7. 14. a whole number but not a fraction
  8. 16. equation has x as exponent
  9. 18. The most frequent number
  10. 19. top of the fraction is called
  11. 20. the greatest factor that divides both numbers
Down
  1. 2. math you take freshman year
  2. 3. State test
  3. 4. graph is a straight line
  4. 6. first name of teacher
  5. 7. a number that is non-terminating
  6. 9. first, inner, outter, last
  7. 12. letters used in math
  8. 15. is variable
  9. 17. U shaped graph