Rational or Irrational?

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 or quotient of two integers. Its decimal representation is non-repeating and non-terminating.

Front

Is the number 40 rational or irrational?

Back

Rational

Front

What is the square root of 49?

Back

The square root of 49 is 7, which is a rational number.

Front

Is the square root of 83 rational or irrational?

Back

Irrational

Front

What is the value of pi (π)?

Back

Pi (π) is an irrational number approximately equal to 3.14159.

Front

Is the square root of 109 rational or irrational?

Back

Irrational

Front

Can all integers be classified as rational numbers?

Back

Yes, all integers are rational numbers because they can be expressed as a fraction with a denominator of 1.

Front

What is an example of an irrational number?

Back

An example of an irrational number is the square root of 2 (√2), which cannot be expressed as a fraction.

Front

How can you determine if a number is rational?

Back

A number is rational if it can be expressed as a fraction a/b, where a and b are integers and b is not zero.