### Home > GB8I > Chapter 9 Unit 10 > Lesson INT1: 9.1.2 > Problem 9-19

9-19.

Mr. Guo is thinking of a number. When he takes the absolute value of his number, he gets

Remember that the absolute value of a number is its distance from zero on the number line and it is always positive.

Can more than one number have the same absolute value? How is that possible?

Either