Radical Math Crossword Puzzle

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Across
  1. 4. - an expression that uses a root. It is made out of a radical symbol, radicand and index
  2. 9. - contains all real numbers
  3. 12. - used n times in multiplication to get the original value
  4. 13. - a number that is placed on the upper left to indicate a higher order root
  5. 15. - a nonegative number equal in numerical value to a given real number
  6. 19. - a number multiplied thrice which makes the value
  7. 20. - commonly referred as " i '
  8. 21. - the value inside the radical symbol
Down
  1. 1. - differentiate many functions where one function is multiped by another
  2. 2. - a one-to-one function that takes a positive number as an input and returns the square root of the given input number
  3. 3. - when the number is an odd number
  4. 5. - a number when multiplied by itself gives a given number
  5. 6. - when a number is greater than or equal to zero
  6. 7. - an expression which includes a nth root
  7. 8. - when a number is multiplied a certain amount of times by itself.
  8. 10. - a number that can be expressed as a + bi, a + b are real numbers, i is the symbol for imaginary units.
  9. 11. - the positive number square root is the _______ square root
  10. 14. - for every even number, there are two roots
  11. 16. - using _____________________________ ; breaking down a problem by finding what to multiply to get an expression
  12. 17. - rational or irrational; represents any value on a number line
  13. 18. - a sign/symbol that shows that a root is being taken