Section 5.2 Topics:
Systems of linear equations in three variables;
Definition;
Independent system;
Systems with infinite solution sets;
Inconsistent systems;
Modeling with a system of three equations;
Examples.
Section 5.3 Topics:
Nonlinear systems of equations;
Solving by elimination of variables;
Modeling with a nonlinear system;
Examples.
Section 5.5 Topics:
Inequalities and systems of inequalities in two variables;
Linear inequality;
Nonlinear inequalities;
Systems of inequalities;
Examples.