Representing Numbers

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(Section 2)

In addition to recognizing different types of numbers you should also be able to visualize subsets of each of these numbers on a number line.
Examples:
Set of Numbers
Explanation
Visual Representation
1. [-3,2] 
This is the set of real numbers greater than or equal to -3 and less than or equal to 2.

 
2. (4,7) 
This is the set of real numbers greater than 4 and less than 7.

 
3. [-10, 5) 
This is the set of real numbers greater than or equal to -10 and less than 5.

 
4. 
This is the set of real numbers greater than or equal to -2.
5. 
This is the set of real numbers less than 6.
Check Your Understanding: (Remember to write your answers down.)
Problem : Represent each of the following sets of numbers on a number line.
1. (0, 12]
2. (-2, 15)

3. 

4. (-3.2, 2.5)
5. [4,100]
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Updated on 01/06/07

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