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Absolute Value




 
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More Lessons for Intermediate Algebra

Math Worksheets

A series of free Intermediate Algebra Lessons.

What are the properties of absolute value?
1. |x| always gives a positive result (or 0)
2. |-x| = |x|
3. |x • y| = |x| • |y|
4. \(\left| {\frac{x}{y}} \right| = \frac{{|x|}}{{|y|}}\)

Be careful:
|x + y| ≠ |x| + |y|
|x - y| ≠ |x| - |y|

Properties of Absolute Value
How to evaluate expressions involving absolute value?

Evaluating Expressions Involving Absolute Value - Example 1



Evaluating Expressions Involving Absolute Value - Example 2
Evaluating Expressions Involving Absolute Value - Example 3
With fractional expressions.


 

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