Posted by **Anonymous** on Wednesday, December 8, 2010 at 12:24am.

What is the index of a radical? When working with radicals, can the radicand be negative when the index is odd? Can it be negative when the index is even?

Why is it important to simplify radical expressions before adding or subtracting? How is adding radical expressions similar to adding polynomial expressions? How is it different? Provide a radical expression for your classmate to simplify.

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