Simplifying a numerical expression containing square roots

Front

What is the value of –√25?

Back

-5

Front

Back

10

Front

Back

12

Front

Square roots are the opposite of ____________.

Back

Squaring

Front

Back

8

Front

Define a square root.

Back

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

Front

What is the principal square root?

Back

The principal square root is the non-negative square root of a number.

Front

Back

0

Front

Back

±7

Front

What is the square root of a negative number?

Back

The square root of a negative number is an imaginary number.