Multiple choice

Variables can be unrestricted in the context of an LPP.

  1. TRUE

  2. FALSE

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In standard LPP formulation, all variables must be non-negative (x ≥ 0). Unrestricted variables (which can be negative) must be transformed using substitution x = x' - x'' where x', x'' ≥ 0 before solving.