The Real Number System

Front

Is √2 Irrational?

Back

Yes

Front

Which number is an irrational number? 2.33333 . . ., 5.72314....., 5.72, 5²

Back

5.72314.....

Front

All whole numbers are integers. True or False?

Back

True

Front

Classify the number: 0. Options: natural, whole, integer, rational, real; integer, irrational, real; irrational, real; whole, integer, rational, real.

Back

whole, integer, rational, real

Front

How many subsets are within the integers set? Options: 1, 2, 3, none.

Back

2

Front

Define Rational Numbers.

Back

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

Front

What are Irrational Numbers?

Back

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

Front

What is the set of Natural Numbers?

Back

The set of positive integers starting from 1: {1, 2, 3, ...}.

Front

What is the set of 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, ...}.