radicals

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Across
  1. 3. is a perfect square
  2. 4. no radical contains a ______
  3. 6. perfect squares can be square rooted to get a ______
  4. 8. the square root of one is
  5. 12. additive inverse property
  6. 14. two times two
  7. 16. multiplication property of equality
Down
  1. 1. the square root of nine is
  2. 2. no radicals are the _______ of a fraction
  3. 5. six times six
  4. 7. ____like terms
  5. 9. square root of one hundred twenty one
  6. 10. ____ root
  7. 11. the square root of four is
  8. 13. an expression that contains a square root
  9. 15. square root of twenty five