Rational and Irrational Numbers

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 cannot be written as a ratio of two integers.

Front

Is √7 a rational or irrational number?

Back

Irrational

Front

Is π a rational or irrational number?

Back

Irrational

Front

Is √3 a rational or irrational number?

Back

Irrational

Front

What type of number is 0.5?

Back

Rational (it can be expressed as 1/2).

Front

What type of number is 1/4?

Back

Rational (it is a fraction of two integers).

Front

Is 141414141414... a rational or irrational number?

Back

Rational (it can be expressed as 14/99).

Front

What is an example of an irrational number?

Back

Examples include √2, π, and e.

Front

What is the decimal representation of a rational number?

Back

A rational number can have a terminating or repeating decimal representation.