Potential Matches: 1 : An expression that contains a radical sign. 2 : Contains at least one radical expression and a variable in the radicand. Contains an equal sign. 3 : The positive square root of a number. 4 : The root of the radical. 5 : A factor of a number that when multiplied by itself, it results in the original number. 6 : The value under the radical symbol. 7 : A situation where the radicand is not a fraction, there are no radicals in the denominator, and none of the factors are a perfect square other than 1. Answer : Index : Radicand : Simplified radical form : Principal square root : Radical expression : Square root : Radical equation