What integer is the opposite of 9?

a. 9

b. 0

c. 9

d. 1

-9

Two integers with polar signs can have the same absolute value.

Absolute value measures the displacement of a number from 0 disregarding the direction. Examples are:

1.-8 and + 8, their absolute values is |8| = 8

2. + 5 and - 5 = |5| = 5

3.1 + 2 absolute value is 3

4.-10 + 2 = usually the answer is - 8 but its absolute value is 8

5. Same with - 6 = |6| = 6