Please answer the following questions.

1		Which term represents a mathematical expression used to determine total profit?
			A)	Constraint
			B)	Parameter
			C)	Objective function
			D)	decision variable
			E)	Shadow price
2		Which of the choices below is a simultaneous solution of these two equations: 3x + 4y = 10 and 5x + 4y = 14?
			A)	x = 2, y = 0.5
			B)	x = 49, y = -0.5
			C)	x = 2, y = 1
			D)	x = y
			E)	y = 2x
3		Graphical LP can only be used for:
			A)	Maximization problems.
			B)	Minimization problems.
			C)	Unbounded problems
			D)	One-variable problems
			E)	Two variable problems
4		Which of the statements below about shadow prices is correct?
			A)	A shadow price refers to the objective function.
			B)	A shadow price refers to the RHS of a constraint.
			C)	A shadow price refers to the LHS of a constraint.
			D)	a and b above.
			E)	a and c above.
			F)	b and c above.
5		A constraint that forms the optimal corner point of the feasible solution space is called
			A)	redundant.
			B)	slack.
			C)	surplus.
			D)	binding.
			E)	optimal.
6		Which of these is not an assumption of linear programming models?
			A)	Divisibility.
			B)	Certainty.
			C)	Negativity.
			D)	linearity.
7		Within the range of optimality, what remains the same?
			A)	The optimal value of the objective function.
			B)	The optimal values of decision variables.
			C)	The shadow prices.
			D)	a, b, c remain the same.
			E)	None of a, b, c remain the same.
8		If a constraint has non-zero surplus in the solution, then:
			A)	The constraint is a constraint
			B)	The constraint is a constraint.
			C)	The constraint is binding.
			D)	The constraint is non-linear.
			E)	The constraint is incorrect.