Square & Cube Roots Flashcard

Front

What is a square root?

Back

A square root of a number x is a number y such that y² = x. For example, the square root of 9 is 3, since 3² = 9.

Front

What is a cube root?

Back

A cube root of a number x is a number y such that y³ = x. For example, the cube root of 27 is 3, since 3³ = 27.

Front

Identify the equation that has an IRRATIONAL solution: y² = 25, y² = 100, y² = 20, y² = 81.

Back

y² = 20 has an irrational solution.

Front

The number 1,000 is a...

Back

perfect cube.

Front

The result of multiplying a base by itself three times is called a _____________.

Back

cube.

Front

What is the cube root of 8?

Back

2.

Front

If a cube has a volume of 64 cm³, what is the length of one side?

Back

4 cm.

Front

What is the difference between a perfect square and a perfect cube?

Back

A perfect square is a number that can be expressed as the square of an integer, while a perfect cube is a number that can be expressed as the cube of an integer.

Front

What is the square root of 16?

Back

4.

Front

What is the cube root of 27?

Back

3.