rad radicals

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Across
  1. 7. radical expressions that have the same index and radicand
  2. 8. (3^2)^2
  3. 12. 2^5/2^3
  4. 13. with a radical sign the ___ indicates the degree of the root
  5. 14. √256-√16
  6. 15. √25+√169
  7. 16. a combination of 2 functions where the output of the first function becomes the input for the second (has a space)
  8. 19. √169
  9. 20. a radical equation in which the radical has index 2 (has a space)
Down
  1. 1. when a number has 2 roots, the positive root is called _________ root
  2. 2. a function that can be written in the form of f(X)= a√x-h +k
  3. 3. ³√125
  4. 4. √16+√36
  5. 5. an equation that has a variable in the radicand or has a variable with a rational exponent
  6. 6. √121-√64
  7. 9. if f(x)= x + 3, then f^-1(x)= x - 3 (has space)
  8. 10. for any real numbers a and b, and any positive integer n, if a^n=b, then a is a ___ ____ for b (has space
  9. 11. an exponent less than one (has space)
  10. 17. the number under a radical sign
  11. 18. √144+³√64