Radical work 6.4 Alg 2

Front

What is the cube root of a number?

Back

The cube root of a number x is a number y such that y^3 = x. For example, the cube root of 27 is 3, because 3^3 = 27.

Front

Find the cube root of 125.

Back

The cube root of 125 is 5, since 5^3 = 125.

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Back

Front

What is the square root of 49?

Back

The square root of 49 is 7, since 7^2 = 49.

Front

What is the square root of 81?

Back

The square root of 81 is 9, since 9^2 = 81.

Front

Define a radical expression.

Back

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

Front

What is the difference between a square root and a cube root?

Back

A square root of a number x is a number y such that y^2 = x, while a cube root is a number y such that y^3 = x.

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Back

Front

What is the principal square root?

Back

The principal square root of a non-negative number x is the non-negative number y such that y^2 = x.

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Back