CA Target 1-4 Radicals

Front

What is a radical in mathematics?

Back

A radical is an expression that includes a root, such as a square root (√) or cube root (∛). It represents the operation of finding a number that, when multiplied by itself a certain number of times, gives the original number.

Tags

CCSS.8.NS.A.1

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 then take out pairs of factors for square roots (or appropriate groups for higher roots).

Front

What is the square root of 18?

Back

The square root of 18 can be simplified to 3√2, since 18 = 9 * 2 and √9 = 3.

Front

What does it mean to rationalize the denominator?

Back

Rationalizing the denominator means to eliminate any radicals in the denominator of a fraction by multiplying the numerator and denominator by a suitable radical.

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Back

Front

How do you multiply two radical expressions?

Back

To multiply two radical expressions, multiply the numbers outside the radicals and the numbers inside the radicals separately, then simplify if possible.

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Back

Tags

CCSS.HSN.RN.A.2

Front

What is the definition of a perfect square?

Back

A perfect square is a number that can be expressed as the square of an integer. For example, 1, 4, 9, and 16 are perfect squares.

Tags

CCSS.8.EE.A.2

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Back

Front

What is the square root of a product?

Back

Tags

CCSS.5.NBT.A.2