A variable added to the left-hand side of a less-than-or-equal-to constraint to convert the constraint into an equality is a
A)standard variable.
B)slack variable.
C)surplus variable.
D)nonnegative variable.

Question

Quizplus · Accepted Answer

A slack variable is added to the left-hand side of a less-than-or-equal-to constraint in linear programming to convert the inequality into an equality, allowing the problem to be solved using methods that require equations, such as the Simplex algorithm.

A Variable Added to the Left-Hand Side of a Less-Than-Or-Equal-To