Radicals Review

Front

What is a radical?

Back

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

Tags

CCSS.8.NS.A.1

Front

What is the square root of a number?

Back

The square root of a number x is a value that, when multiplied by itself, gives x. It is denoted as √x.

Tags

CCSS.8.EE.A.2

Front

How do you simplify a radical expression?

Back

To simplify a radical expression, factor the number under the radical into its prime factors and look for pairs of factors.

Front

What is a perfect square?

Back

A perfect square is an integer that is the square of another integer. For example, 1, 4, 9, 16, and 25 are perfect squares.

Tags

CCSS.8.EE.A.2

Front

What is the square root of 50?

Back

The square root of 50 can be simplified to 5√2.

Front

How do you multiply two radical expressions?

Back

To multiply two radical expressions, multiply the numbers under the radicals and then simplify if possible.

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Back

Front

How do you identify a non-perfect square?

Back

A non-perfect square is a number that cannot be expressed as the square of an integer. For example, 27 is not a perfect square.

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Back

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Tags

CCSS.8.EE.A.2