Simplify Radicals and Powers of i Review

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What is the simplified form of -√-8?

Back

-2i√2

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4√6

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1

Front

Define a radical expression.

Back

An expression that includes a root, such as a square root or cube root.

Front

What is the principal square root of a number?

Back

The non-negative root of a number.

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Back

a, where a is non-negative.

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Back

-1

Front

What is the pattern of powers of i?

Back

i, -1, -i, 1, and then it repeats.

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1