Radical Expressions

Radical Expressions

Author: Natalia Virani

Students will be able to find the real roots of a given number.

The nth root of a real number a can be written as the radical exponent  where n is the index of the radical and a is the radicand. When the number has more than one real root, the radical sign indicates only the principal or positive root. 

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Finding Real Roots

Chapter 8 Lesson 6 Example 1
How to find the real roots of a given number.

Source: Holt, Algebra 2 video tutorials