Radical Crossword

3. 2 relations are inverse relations if and only if whenever one relation contains the element (a,b) the other relation contains the element (b,a)
4. 2 functions f and g are inverse functions if and only if both of their compositions are the identity function
7. in nth roots the symbol, n√
11. binomials in the form of a√b+c√d and a√b-c√d, where a,b,c and d are rational number
13. number that doesn't satisfy the original equation
14. an inequality involving the square root of a variable expression
15. simplest,most general function in a family of functions
17. function that contains the root of a variable
18. a function that contains a square root of a variable
19. the nth roots, the value on n in the symbol n√ (imagine n is little on top of square root)
20. an inequality that has a variable in the radicand
21. for any real number n, if x^2=n, then x=+-√n

1. a fourth-degree function
2. nonnegative root
5. in nth roots, the value inside the symbol n√, indicates the value that is being takes to the nth root
6. an equation that is satisfied by any numbers that replace the variables
8. function is performed, and then a second function is performed on the result of the first function
9. a method used to divide a polynomial by a binomial
10. for any real numbers a and b, and any positive integer n, if a^n=b then a is an nth root of b
12. to eliminate radicals from a denominator or fractions from a radicand
16. equation with radicals that have variables in the radicand