Radicals

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Across
  1. 3. uses "√" sign
  2. 5. the number under the radical
  3. 8. the number next to a variable
  4. 12. the root of a power of 2
  5. 13. the solution to an equation that has diverged from the original equation
  6. 14. a letter that takes the place of an unknown number
  7. 17. the answer to a problem
  8. 18. a numerator and denominator
  9. 19. to separate from all other terms
  10. 20. to reduce to the simplest form
Down
  1. 1. to the power of 2
  2. 2. uses "x" sign
  3. 4. a pair of rounded brackets
  4. 6. says how many time to multiply itself by
  5. 7. uses "÷" sign
  6. 9. a mathematical sentence
  7. 10. a small number above the base value
  8. 11. to the power of 3
  9. 15. a mathematical sentence using "=" sign
  10. 16. the root of a power of 3