For any real numbers A and B, and any positive integer N, if A'N = B, then A is an Nth root of B.
The number under the radical sign.
Gives the degree of the root.
When a number has two real roots, the positive root is called the ______.
Rationalize the denominator
Rewrite an expression so there are no radicals in any denominator and no denominators in any radical.
Radical expressions that have the same index and the same radicand.
Form of a radical that always indicates the principal root.
An equation that has a variable on a radicand or has a variable with a rational exponent.
The output for the second function becomes the input for the second function. When you combine two functions, you form a _______.
If a relation maps element A of it's domain to element B of its range, the ______ "undoes" the relation and maps B back to A. If (a,b) is an ordered pair of a relation, then (b,a) is an ordered pair of it's inverse.
If F'1 and F'-1 are functions, they are called ______. For inverse functions, F'-1(F(x)) = x and F(F'-1(x)) = x.
A radical equation defines a radical function.