The Real Number System

Front

What is the Real Number System?

Back

The Real Number System includes all the numbers that can be found on the number line, including rational and irrational numbers.

Front

Define a rational number.

Back

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

Front

What is an irrational number?

Back

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

Front

Classify the number: 0

Back

0 is a whole number, an integer, a rational number, and a real number.

Front

Give an example of a whole number.

Back

An example of a whole number is 17.

Front

What are integers?

Back

Integers are whole numbers that can be positive, negative, or zero, but do not include fractions or decimals.

Front

How many subsets are within the integers set?

Back

There are 2 subsets within the integers set: positive integers and negative integers.

Front

Classify the number: 17/4

Back

17/4 is a rational number and a real number.

Front

What is a natural number?

Back

Natural numbers are the set of positive integers starting from 1, 2, 3, and so on.

Front

Define a whole number.

Back

Whole numbers are non-negative integers, including zero (0, 1, 2, 3, ...).