Name two numbers that are not integers but that are

opposites. Explain how you know.

a fraction like 1/2 and its opposite - 1/2

Step-by-step explanation:

By definition two numbers are opposite if their distance to 0 is the same.

distance to 0 for 1/2 = 1/2 - 0 = 1/2

distance to 0 for - 1/2 = 0 - (-1/2) = 1/2

since both have the same distance, they are opposite with each other

Another way to verify it, is that the sum of the 2 values should be 0. in our case,

1/2 + (-1/2) = 1/2 - 1/2 = 0