8.2 Understand Real Numbers System

Front

How can -7.5 best be classified?

Back

Rational, Real

Front

3 is what type of number?

Back

Natural, Whole, Integer, and Rational

Front

True or false? All integers are rational numbers?

Back

True

Front

π (Pi) is classified as which type of number?

Back

Irrational, Real

Front

2/3 is what type of number?

Back

Rational, Real

Front

What is a rational number?

Back

A number that can be expressed as a fraction a/b, where a and b are integers and b ≠ 0.

Front

What is an irrational number?

Back

A number that cannot be expressed as a simple fraction; its decimal representation is non-repeating and non-terminating.

Front

What are natural numbers?

Back

The set of positive integers starting from 1 (1, 2, 3, ...).

Front

What are whole numbers?

Back

The set of natural numbers including zero (0, 1, 2, 3, ...).

Front

What are integers?

Back

The set of whole numbers and their negative counterparts (..., -3, -2, -1, 0, 1, 2, 3, ...).