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2.2: Additive Inverses and Absolute Values

Difficulty Level: Basic Created by: CK-12
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Vocabulary

absolute value

The absolute value of a number represents the distance from zero when graphed on a number line.

Additive Inverse Property

For any real number a, \ a + (- a) = 0. We see that -a is the additive inverse, or opposite, of a.

integers

An integer is a real number which is a whole number or the negative (opposite) of a whole number.

opposite number

An opposite number of a number a represents the same distance from zero as a, but in the other direction.

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Difficulty Level:
Basic
Grades:
8 , 9
Date Created:
Feb 24, 2012
Last Modified:
Aug 25, 2016
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MAT.ALG.156.1.L.1