Question

Which of the following can be added to the number indicated on the number line above to sum to 0?

A.
0.6

B.
1.4

C.
-0.6

D.
-1.4

Answer 1

B. 1.4

Explanation:

Additive inverses are two numbers that add to zero.

Additive inverses are two numbers that are equal except one is positive, and one is negative. For example, -2 and 2 are additive inverses since their sum equals zero.

The number shown on the number line is -1.4; to have a sum of zero, you need its additive inverse. The additive inverse of -1.4 is 1.4.

Answer: B. 1.4