Unit 3
Systems of Lines and Inequalitites


Solve systems of linear equations by graphing.

Algebra Boot Camp - This is a chapter from a textbook that explains all of the methods for solving linear systems.

Interactive Math - Lists some problems to try with answers.

HippoCampus Algebra - scroll down to the bottom of the page and check out all kinds of systems topics.

VIDEO: Solving systems in 3 ways - This is a decent animated video explaining graphing, elimination, and substitution.



Solve systems of linear equations by elimination.

Algebra Boot Camp - This is a chapter from a textbook that explains all of the methods for solving linear systems.

Interactive Math - Lists some problems to try with answers.

HippoCampus Algebra - scroll down to the bottom of the page and check out all kinds of systems topics.

VIDEO: Solving systems in 3 ways - This is a decent animated video explaining graphing, elimination, and substitution.

Solve systems of linear equations by substitution.

Algebra Boot Camp - This is a chapter from a textbook that explains all of the methods for solving linear systems.

Interactive Math - Lists some problems to try with answers.

HippoCampus Algebra - scroll down to the bottom of the page and check out all kinds of systems topics.

VIDEO: Solving systems in 3 ways - This is a decent animated video explaining graphing, elimination, and substitution.

Solve real world problems using systems of linear equations.

Translating Word Problems - Help with writing the equations that you need to solve the problems.

HippoCampus Algebra - scroll down to the bottom of the page and check out all kinds of systems topics.

Solve systems of linear inequalities.

HippoCampus Algebra - scroll down to the bottom of the page and check out all kinds of systems topics.

VIDEO: Solving systems of inequalities - This video shows a special case (sort of) of graphing a system of inequalities.

VIDEO: Solving systems of inequalities by graphing - This video includes a little quiz at the end.

Solve linear programming problems.

Linear Programming Lesson - Get another perspective on the subject and take a short quiz.

Linear Programming Sample Problems - Two problems... try them, and then check the solutions.

HippoCampus Algebra - scroll down to the bottom of the page and check out all kinds of systems topics.