Opposite number

In mathematics, the opposite or additive inverse of a number $k$ is a number $n$ which, when added to $k$ , results in 0. The opposite of $a$ is $-a$ .^[1]^[2] For example, −7 is the opposite of 7, because $7+-7=0$ .

The opposite of a positive number is the negative version of the number. The opposite of a negative number is the positive version of the number. The opposite of 0 is 0.

Two opposite numbers have the same absolute value.

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ReferencesEdit

↑ Weisstein, Eric W. "Additive Inverse". mathworld.wolfram.com. Retrieved 2020-08-27.
↑ "Additive Inverse". www.learnalberta.ca. Retrieved 2020-08-27.

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[1] Weisstein, Eric W. "Additive Inverse". mathworld.wolfram.com. Retrieved 2020-08-27.

[2] "Additive Inverse". www.learnalberta.ca. Retrieved 2020-08-27.

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