Question

Define Additive inverse , identity​

Answer 1

In mathematics, the additive inverse of a number a is the number that, when added to a, yields zero. This number is also known as the opposite (number), sign change, and negation. ... For example, the additive inverse of 7 is −7, because 7 + (−7) = 0, and the additive inverse of −0.3 is 0.3, because −0.3 + 0.3 = 0.

Answer 2

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◇ The opposite of a number is its additive inverse. A number and its opposite add to 0 , which is the additive identity.