Real Number System

Front

What is a real number?

Back

A real number is any number that can be found on the number line, including both rational and irrational numbers.

Front

Classify the number √35.

Back

Irrational

Front

Classify the number 1.01276894...

Back

Irrational

Front

How can you tell if a number is rational?

Back

It can be written as a ratio of two integers (a fraction).

Front

Back

Rational Number

Front

Back

Undefined (not a real number).

Front

What is a rational number?

Back

Front

What is an irrational number?

Back

An irrational number cannot be expressed as a simple fraction; its decimal representation goes on forever without repeating.

Front

Are all whole numbers also rational numbers?

Back

True

Front

Back

Irrational Number