Q: What is the opposite of any number The opposite of any number?

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It depends on what you mean by an opposite. Every real number has an additive opposite but 0 does not have a multiplicative opposite.

Any positive numbers opposite is the same number just as a negative.

If the opposite is meant to be the additive opposite and not the multiplicative opposite, then their sum is zero. The reason is that is what defines an additive opposite!

The [multiplicative] opposite of -2 is -0.5, which is negative.

0 as the opposite of 3 is -3. 3+ (-3) = 0

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It depends on what you mean by an opposite. Every real number has an additive opposite but 0 does not have a multiplicative opposite.

The additive opposite of the additive opposite is the number itself. The multiplicative opposite of the multiplicative opposite is the number itself, unless the number was 0, in which case the first opposite is not defined.

What exactly do you mean when you say "the opposite of a whole number" . . .

Call your number any variable, for example x. Then: "A number": x "The opposite of a number": -x "Is": the equal sign. "The opposite of a number is -9": -x = -9

Any positive numbers opposite is the same number just as a negative.

An imaginary number such as the square root of any negative number.

If the opposite is meant to be the additive opposite and not the multiplicative opposite, then their sum is zero. The reason is that is what defines an additive opposite!

The [multiplicative] opposite of -2 is -0.5, which is negative.

0 as the opposite of 3 is -3. 3+ (-3) = 0

Additive inverse. For any number, a, there exists a number, -a, so that a + (-a) = 0.

Opposite vertices are two vertices of any polygon with an even number of sides that have the same number of sides between them.

The additive opposite of a positive is a negative, and the opposite of a negative is a positive. If you reverse the sign twice (opposite of opposite) you have the original number. The same applies to an inverse (multiplicative opposite): the inverse of any inverse for a nonzero number is the original number. n (1/n)(n) = n