What are the elements of set X?

[zak100]

Homework Statement

X is the set of all integers n that satisfy the inequality

2 <= |n| <=5
What are the elements of set X?

Homework Equations

Provided above.

The Attempt at a Solution

In my view X should have: 2, 3, 4, 5 elements. I can't understand how X have negative values. Some body please guide me.

Zulfi.

 

[phyzguy]

Do you know that the vertical bars around |n| mean absolute value? How does that effect which integers n are in the set?

 

[Mark44]

In my view X should have: 2, 3, 4, 5 elements.

That would be correct if your inequality were this one:
2 <= n <= 5
@phyzguy's question is relevant for your problem.