Square Root and Cube Root

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. For example, the square root of 9 is 3, because 3 x 3 = 9.

Front

What is the cube root of a number?

Back

The cube root of a number is a value that, when multiplied by itself three times, gives the original number. For example, the cube root of 27 is 3, because 3 x 3 x 3 = 27.

Front

Taking the square root is the inverse of what operation?

Back

Front

What are the possible answers when taking the square root of a positive number?

Back

The answers are positive and negative. For example, the square root of 16 is 4 and -4.

Front

What is the square root of 0?

Back

The square root of 0 is 0, because 0 x 0 = 0.

Front

What is the square root of a negative number?

Back

Front

What is the relationship between squaring and square roots?

Back

Squaring a number and taking the square root are inverse operations. If you square a number and then take the square root, you return to the original number.

Front

What is the cube of a number?

Back

The cube of a number is that number multiplied by itself twice. For example, the cube of 2 is 2 x 2 x 2 = 8.

Front

How do you express the cube root of a number in mathematical notation?

Back

Front

What is the cube root of 64?

Back

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