Question

Help Anyone? Will Medal And Fan!



Look at the following numbers:

−2, −1, 0, 2

Which pair of numbers has a sum of 0?

−1, 2
−2, 0
−2, 2
−1, 0

Answer 1

Opposites add to zero.
Opposites are also called additive inverses.

Answer 2

Here are some sums of additive inverses.
0 + 0 = 0
1 + (-1) = 0
10 + (-10) = 0
4.5 + (-4.5) = 0
Do you see any numbers among your given numbers that are additive inverses?