Perfect Squares and Perfect Cubes

Front

What is a perfect square?

Back

A perfect square is a number that can be expressed as the product of an integer multiplied by itself.

Front

Is 169 a perfect square?

Back

Yes, 169 is a perfect square because it is equal to 13 x 13.

Front

What is the square root of 121?

Back

The square root of 121 is 11.

Front

What is the square root of 64?

Back

The square root of 64 is 8.

Front

What is a perfect cube?

Back

A perfect cube is a number that can be expressed as the product of an integer multiplied by itself three times.

Front

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

Back

The length of one side is 4 units.

Front

What is the index in a radical expression?

Back

The index is the small number that indicates the root being taken, such as in the cube root or square root.

Front

What is the radical sign?

Back

The radical sign (√) is used to indicate the square root or nth root of a number.

Front

What is the radicand in a radical expression?

Back

The radicand is the number or expression inside the radical sign.

Front

Calculate the square of 12.

Back

The square of 12 is 144.