LEAP REVIEW - Squares/Cubes/Rat/Irrat/Roots

Front

What is the formula for the area of a square?

Back

The area of a square is calculated using the formula: Area = side × side or Area = side².

Front

If the area of a square is 81 cm², what is the length of one side?

Back

The length of one side is 9 cm, since 9 × 9 = 81.

Front

What is a rational number?

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

Front

What is an irrational number?

Back

An irrational number is a number that cannot be expressed as a simple fraction; it is non-terminating and non-repeating.

Front

What is the square root of 49?

Back

The square root of 49 is 7, since 7 × 7 = 49.

Front

What is the cube root of 64?

Back

The cube root of 64 is 4, since 4 × 4 × 4 = 64.

Front

What is the difference between rational and irrational numbers?

Back

Rational numbers can be expressed as fractions, while irrational numbers cannot be expressed as fractions and have non-terminating, non-repeating decimal expansions.

Front

Back

Front

What is the decimal representation of the square root of 2?

Back

Front

What are perfect squares?

Back

Perfect squares are numbers that can be expressed as the square of an integer, such as 1, 4, 9, 16, etc.