Simplifying Numerical Radicals

Front

What is a numerical radical?

Back

A numerical radical is an expression that includes a root symbol (√) indicating the root of a number, such as the square 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 square factors from under the radical sign.

Front

Simplify: √100

Back

10

Front

Simplify: √81

Back

9

Front

Simplify: √144

Back

12

Front

Simplify the following radical: √32

Back

4√2

Front

Simplify: √121

Back

11

Front

What is the square root of a number?

Back

The square root of a number is a value that, when multiplied by itself, gives the original number.

Front

What is a perfect square?

Back

A perfect square is an integer that is the square of another integer, such as 1, 4, 9, 16, etc.

Front

How do you simplify √(a*b)?

Back

You can simplify √(a*b) to √a * √b if both a and b are non-negative.