Rational Vs 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 Pi (π) a rational or irrational number?

Back

Irrational

Front

What is the square root of 98 approximately between?

Back

9 and 10

Front

Which of the following is an irrational number: 9.6, √45, 3/8, 3.4 x 10⁵?

Back

√45

Front

What is a key characteristic of irrational numbers?

Back

Irrational numbers never end and never repeat.

Front

Is 4.032 a rational or irrational number?

Back

Rational

Front

Can a perfect square be an irrational number?

Back

No, perfect squares are rational numbers.

Front

What is an example of a rational number?

Back

1/2, 3, or 0.75 are all examples of rational numbers.

Front

What is the decimal representation of an irrational number like √2?

Back

The decimal representation of √2 is approximately 1.41421356... and continues without repeating.