Simplifying Radicals, Perimeter and Area

Front

What is a radical?

Back

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

Front

How do you simplify a radical?

Back

To simplify a radical, factor the number under the root into its prime factors and look for pairs (for square roots) or triplets (for cube roots) to take out of the radical.

Front

What is the square root of 36?

Back

The square root of 36 is 6.

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Back

The sum is 6, which is a rational number.

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Back

-10 is a rational number.

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Back

Front

What is the perimeter of a rectangle with length 5 and width 3?

Back

Front

What is the area of a rectangle with length 5 and width 3?

Back

Front

What is the difference between rational and irrational numbers?

Back

Rational numbers can be expressed as a fraction of two integers, while irrational numbers cannot be expressed as a simple fraction.

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