The entire goal of this section is to get square root radical in the lowest form possible. When you completely simplify these values, the end value of the perfect square factor will reside in front of the radical symbol followed by the square root symbol with the radicand equally any value that is not a perfect square. Look for factor that is a perfect square and simplify that value. If you cannot identify a perfect square of the radicand, break the radicand up by factoring it. The easiest way to simplify a radical is to identify a perfect square. We encourage students to memorize perfect of radicands up to one-hundred and forty-four. Sixteen is a perfect square because it can be expressed as the product of fours. Perfect squares are values that can be expressed as the product of two equal whole integers. The index changes the value from a standard square root, for example if the index value is three you are looking for the cube root instead. If a number belongs to the top left of the radical symbol it is called the index. In a radical value the number that appears below the radical symbol is called the radicand.
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