Unit 4 Flashcard Practice:Simplify Radicals,Distance & Midpoint Formu

Front

What is a radical?

Back

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

Front

What does it mean to simplify a radical?

Back

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

Front

What is the cube root of 64?

Back

The cube root of 64 is 4, since 4 x 4 x 4 = 64.

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Back

Front

What is the distance formula?

Back

Front

How do you calculate the distance between two points (3, 4) and (7, 1)?

Back

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Back

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Back

Front

What is the first step in simplifying a radical?

Back

The first step is to factor the number under the radical into its prime factors.

Front

What is a perfect square?

Back

A perfect square is a number that can be expressed as the square of an integer, such as 1, 4, 9, 16, etc.