The question requires you to select numbers that makes the sum true.
------ + ----- = -8
In this case, you can take any numbers, like those on the number line or from 0 ,to negative numbers that can make the sum -8 . For example ;
-4 + -4 = -8
-5 + -3 = -8
-9 + 1 = -8
All the shaded numbers can make the sum true.
