U4 Radicals - All

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What is a radical?

Back

A radical is an expression that includes a root, such as a square root (√) or cube root (∛).

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What does it mean to simplify a radical?

Back

To simplify a radical means to express it in its simplest form, removing any perfect square factors from under the radical sign.

Front

What is the square root of 8 in simplest radical form?

Back

The square root of 8 is expressed as 2√2.

Front

How do you rationalize the denominator of a fraction?

Back

To rationalize the denominator, multiply the numerator and denominator by a suitable radical that will eliminate the radical in the denominator.

Front

What is the square root of 45 in simplest radical form?

Back

The square root of 45 is expressed as 3√5.

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Back

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Front

What is the square root of 16?

Back

The square root of 16 is 4.

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Back

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Back

The sum is 2√2.