Linear Programming
Subject 1: Linear inequalities in two variables.
 Level 1 : The solution set as a halfplane
 Level 2 : Solving a system of inequalities
 Level 3 : Building a system given its solution
set
Subject 2: Optimum of a linear function in two
variables in a polygonal domain.
 Level 1 : Values of such a function
 Level 2 : Finding the optimum in a polygonal
domain
 Level 3 : Level lines
Subject 3: Solving linear programming problems.
 Level 1 : Writing the constraints
 Level 2 : Solving a problem with 2 constraints
 Level 3 : Solving a problem with 3 constraints
 Level 4 : Solving a problem with 4 constraints
