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Algebra 8 Online
OpenStudy (anonymous):

The sum of a number and its additive inverse is equal to _____. a)-1 b)0 c)1

terenzreignz (terenzreignz):

Here's a hint. For any real number k, its additive inverse is -k. What's the sum of k and -k?

OpenStudy (anonymous):

-k

terenzreignz (terenzreignz):

No... The sum of k and -k? k + (-k) = k - k

OpenStudy (anonymous):

So the answer is 1

OpenStudy (anonymous):

yes or no

terenzreignz (terenzreignz):

First... what's the answer if you subtract a number from itself? k - k 4 - 4 2 - 2

OpenStudy (anonymous):

o

terenzreignz (terenzreignz):

That's zero, right?

OpenStudy (anonymous):

thank you so much.

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