Which of the following is an approach to solving a linear programming minimization problem graphically?
answer
Iso-cost
or
corner-point method
question
In a typical​ product-mix problem in linear​ programming, each general constraint states that
answer
the amount of a resource used less than or equals≤the amount of resource available.
question
Via​ computer, the simplex method methodically examines​ ________ to search for the optimal solution of an LP problem.
answer
corner points
question
What tool does American Airlines use to schedule​ flights?
answer
linear programming
question
What is a mathematical expression in linear programming that maximizes or minimizes some​ quantity?
answer
objective function
question
In linear​ programming, a solution that does not simultaneously satisfy all constraints is called an
answer
infeasible soultion
question
If A​, B​, and C are​ variables, which of the following functions is NOT​ linear?
answer
ABC
question
In linear​ programming, what is another name for sensitivity​ analysis?
answer
postoptimality analysis
question
The​ feed-mix problem from agricultural applications is a special case of the more general
answer
diet problem
question
Which of the following is NOT considered to be a resource for a​ firm?
answer
accounts payable
question
The graphical solution to a linear programming problem can only be used when there are two
answer
decision variables
question
Which of the following statements about linear programming is NOT​ correct?
answer
Minimization problems are often unbounded inward.
question
Which company developed VOLCANO​ (Volume, Location, and Aircraft Network​ Optimization), an​ LP-based optimization​ system?
answer
UPS
question
What of the following statements about LP sensitivity analysis is NOT​ true?
answer
Sensitivity information applies to simultaneous changes in several input data values.
question
Two or more products are produced using limited resources. The firm would like to determine how many units of each product it should produce to maximize overall profit given its limited resources.
This situation describes what type of problem in linear​ programming?
answer
Product-mix
question
In linear​ programming, what are restrictions that limit the degree to which a manager can pursue an​ objective?
answer
constraints
question
In a typical​ product-mix problem in linear​ programming, the objective is to
answer
maximize profit
question
In linear​ programming, choices available to a decision maker are called
answer
decision variables
question
Which of the following would likely NOT represent an application of linear programming in operations​ management?
answer
allocating space for a tenant mix in a new shopping mall so as to minimize revenues to the leasing company
question
In linear​ programming, what is a numerical value that is given in a​ model?
answer
parameter
question
What are the four requirements of a linear programming​ problem?
answer
an​ objective, constraints,​ alternatives, and linearity
question
The​ product-mix, diet, and labor scheduling LP formulations typically have​ ________, ________, and​ ________ objectives, respectively.
answer
​maximization, minimization, minimization
question
What is the name of the algorithm that solves linear programming problems of all​ sizes?
answer
simplex method
question
In a typical​ product-mix problem in linear​ programming, the variables are defined as
answer
the number of units of each product produced.
question
Linear programming is a mathematical technique designed to help operations managers plan and make decisions necessary to allocate
answer
resources
question
An optimal solution to a linear programming problem MUST lie
answer
at the intersection of at least two constraints.
question
What is the value of one additional unit of a scarce resource in​ LP?
answer
shadow price
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