Real Number System

Front

What are the categories that the number 7 fits into?

Back

Natural, Whole, Integer, Rational

Front

Which of the following is a set of Natural Numbers? 0,1,2,3,4; 5,6,7,8; -3,8,12,-14; √15, 0.33, 18, -45

Back

5,6,7,8

Front

Which set contains -√225? {Whole Numbers}, {Natural Numbers}, {Integers}, {Irrational Numbers}

Back

{Integers}

Front

Classify √35: Rational, Integer, Whole, Irrational

Back

Irrational

Front

Is -5/9 rational or irrational? Explain.

Back

Rational; it can be written as a fraction.

Front

Define Natural Numbers.

Back

Natural Numbers are the set of positive integers starting from 1 (1, 2, 3, ...).

Front

What are Whole Numbers?

Back

Whole Numbers are the set of non-negative integers including zero (0, 1, 2, 3, ...).

Front

Define Integers.

Back

Integers are the set of whole numbers that include negative numbers, zero, and positive numbers (..., -3, -2, -1, 0, 1, 2, 3, ...).

Front

What are Rational Numbers?

Back

Rational Numbers are numbers that can be expressed as a fraction of two integers (a/b where b ≠ 0).

Front

Define Irrational Numbers.

Back

Irrational Numbers are numbers that cannot be expressed as a simple fraction; their decimal representation is non-repeating and non-terminating.