Radical Dude

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Across
  1. 2. '90's twins
  2. 4. a solution that does not solve the equation
  3. 6. facial movement
  4. 8. spongebob's pants
  5. 10. when the denominator is rewritten to contain only radicals
  6. 11. to move numbers to a different side of the equation
  7. 15. internet site
  8. 16. the letters of the alphabet
  9. 18. a way to solve an equation
Down
  1. 1. square root of 4, 9, 16, etc...
  2. 3. trees get nutrience from their _____
  3. 5. another word for answer
  4. 7. to change the sign in the middle
  5. 9. Conjunction Junction, What's your ______!
  6. 12. the number in the radical
  7. 13. aluminum _____
  8. 14. rubix ____
  9. 17. reduced numbers
  10. 19. another word for root