IN MATH: 1. n. on a number line, the distance between a number and zero. EX. The absolute value of four is four, | 4 | = 4.

 See: ABSOLUTE VALUE FUNCTION - A Basic Function Which Is the Composition of More Basic Functions Function and Relation Library      WHAT'S A FUNCTION? - Table of Contents of many pages about functions

IN ENGLISH: 1.as defined above.

The absolute value function is some times written as a piece-wise defined function.

APPLICATION: See list 130 and 300.

1. Find all numbers whose absolute value is 3.

2. Find all numbers whose absolute value is -7.

3. Simplify: 3(-2) + | -4 |

4. Write in symbols: The absolute value of a number, n, is 15.

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