Home |        
Real Number System Studying a Function  |   Absolute Value  |  Functions and Graphs  | Trigonometry  |    Basic Graphing Skills  |  Studying a Function  |  Algebraic Skills  |  Answer Section
   Section 1 | Section 2 | Section 3 | Section 4 | Section 5 | Section 6 | Section 7 | Section 8 | Section 9 | Section 10 | Section 11 | Section 12 |  Section 13 | Section 14 | Section 15 | Section 16 | Section 17 | Section 18 | Section 19 | Section 20 | Section 21Section 22 | Section 23 | Answers

Real Number System

(Section 1)

Names

You should recognize each of the following sets of numbers and how they are similar to each other and how they are different from each other.
Natural Numbers: {1, 2, 3, 4, 5, ...} 
Whole Numbers: {0, 1, 2, 3, 4, 5, ...}
Integers: {...-4, -3, -2, -1, 0, 1, 2, 3, ...}
Rational Numbers: Any numbers of the form picture , where a is an integer and b is a natural number - Repeating or terminating decimal numbers
Irrational Numbers: Any number which cannot be written in the form picture, where a is an integer and b is a natural number - Non-repeating and non-terminating decimal numbers
Real Numbers: Includes all the numbers listed above
Check Your Understanding: (Remember to record these answers.)
1. Make a list of five numbers which are integers, but not natural numbers.
2. Make a list of five numbers which are irrational numbers.
3. Make a list of five numbers which are real numbers, but not whole numbers.
4. Make a list of five numbers which are rational numbers, but not integers.

Answers to these four questions

Table of Contents

Answer Section

Section 2

Updated on 03/21/16 by Jim Rahn

Rahn, 2000