Question

Which lists all the integer solutions of the inequality |x| < 4?

Answer 1

Whenever you see the inequality that involves absolute value such as |x| < A, it implies:
-A < x < A

So |x| < 4 implies: -4 < x < 4

Answer 2

Alright thx(:

Answer 3

Where A is positive of course :)

Answer 4

Yes. Otherwise the given inequality is not valid (no solutions).