Radical Crossword Puzzle

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Across
  1. 3. if "a" is a nonnegative real number, the nonnegative number "b" such that b^2=a, denoted
  2. 4. of i to real numbers
  3. 8. the opposite pair of either a+bi or a-bi
  4. 9. the product of two nth roots is the nth root
  5. 12. system of numbers based on adding
  6. 13. expressions with exponents that are rational numbers
  7. 14. the number that the index is above
  8. 17. what the real number b is called
  9. 19. "a function that maps the set of nonnegative real numbers onto itself"
  10. 20. "written as n√a , where n is a positive integer greater than or equal to 2"
  11. 21. tells us how many times to use the number in multiplication
  12. 22. b=√a
Down
  1. 1. a real number that cannot be written as a simple fraction
  2. 2. "The FOIL method is a technique used to help remember the steps required to multiply two binomials."
  3. 5. "when squared, gives a negative result"
  4. 6. what we refer to the radicand and radical sign together
  5. 7. the symbol that we use to denote the principal square root
  6. 10. the form that contains sets of real and imaginary numbers
  7. 11. what the real number a is called
  8. 15. defined as i=√-1, where i^2= -1
  9. 16. the number under the radical sign
  10. 18. "real numbers are the numbers which include both rational and irrational numbers"