i have my alg. final in 03 days!! help me plz!! when do you use additive inverse!!!
The -ve of the number is called additive inverse. 3 and -3 are additive inverses of each other.
When you want to find something to ADD to get back to zero. Examples: The additive inverse of 3 is -3. The additive inverse of 4pi - x is x - 4pi. Additive inverses are very basic (axiomatic) definitions of systems of numbers, vectors, sets, whatever. It's really just a fancy way of saying the negative of. But, for some other funny number systems (for example, binary. where there are only 1's and 0's), it's not as simple as just putting a negative sign in front. Again the dictionary definition is: that which you must add to a given value to achieve a sum of zero. Good luck. Don't let the terminology kill you. Most stuff in math is pretty simple. They just like to try to trip you up.
