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Vocabulary for Geometry_4.1

radical An expression that uses a root, which can be a square root, cube root, and so on.
radicand The expression inside the radical symbol. the expression which is having its root taken, the argument of the radical.
exact answer An answer is in the simplest form and contains radicals.
simplest form An expression is in the simplest form when the following three conditions are met; no radicands have perfect square factors other than 1, no radicals contain fractions, and no radical appear in the denominator of a fraction.
simplify A method to put an expression with a radical in the simplest form.
index The number of times the root of the radicand is being taken. 2, or if the index is missing, means the square root. 3 is the cube root. After that the roots are typically called the 4th root, 5th root, and so on.
rationalize A method to eliminate radicals from an expression.