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; it cannot be written as a ratio of two integers.

Front

Is 77/3 a rational or irrational number?

Back

Rational

Front

Is π/2 a rational or irrational number?

Back

Irrational

Front

What type of number is π?

Back

Irrational

Front

Is 0.1234567... a rational or irrational number?

Back

Rational (it is a repeating decimal).

Front

Is -0.74747474... a rational or irrational number?

Back

Rational (it is a repeating decimal).

Front

Is 3√4 a rational or irrational number?

Back

Rational (it equals 2√3, which is irrational).

Front

What is an example of a rational number?

Back

Examples include 1/2, 3, -4, and 0.

Front

What is an example of an irrational number?

Back

Examples include √2, π, and e.