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# About: Systems of Linear Equations: Proficiency Exam

Module by: Wade Ellis, Denny Burzynski. E-mail the authors

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 Name: Systems of Linear Equations: Proficiency Exam ID: m21987 Language: English (en) Summary: This module is from Elementary Algebra by Denny Burzynski and Wade Ellis, Jr. Beginning with the graphical solution of systems, this chapter includes an interpretation of independent, inconsistent, and dependent systems and examples to illustrate the applications for these systems. The substitution method and the addition method of solving a system by elimination are explained, noting when to use each method. The five-step method is again used to illustrate the solutions of value and rate problems (coin and mixture problems), using drawings that correspond to the actual situation. This module contains the proficiency exam for the chapter "Systems of Linear Equations". Subject: Mathematics and Statistics Keywords: algebra, elementary License: Creative Commons Attribution License CC-BY 3.0 Authors: Copyright Holders: Maintainers: Latest version: 1.4 (history) First publication date: Mar 23, 2009 1:51 am +0000 Last revision to module: Jun 1, 2009 12:41 pm +0000

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## Version History

 Version: 1.4 Jun 1, 2009 12:41 pm +0000 by Changes: `Removed link from summary.` Version: 1.3 May 27, 2009 6:02 am +0000 by Changes: `Final Publish.` Version: 1.2 Apr 28, 2009 4:37 am +0000 by Changes: `Dynamic Links added` Version: 1.1 Apr 16, 2009 7:50 am +0000 by Changes: `First Publish.`

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### American Chemical Society (ACS) Style Guide:

Ellis, W.; Burzynski, D. Systems of Linear Equations: Proficiency Exam, Connexions Web site. http://cnx.org/content/m21987/1.4/, Jun 1, 2009.

### American Medical Assocation (AMA) Manual of Style:

Ellis W, Burzynski D. Systems of Linear Equations: Proficiency Exam [Connexions Web site]. June 1, 2009. Available at: http://cnx.org/content/m21987/1.4/.

### American Psychological Assocation (APA) Publication Manual:

Ellis, W., & Burzynski, D. (2009, June 1). Systems of Linear Equations: Proficiency Exam. Retrieved from the Connexions Web site: http://cnx.org/content/m21987/1.4/

### Chicago Manual of Style (Bibliography):

Ellis, Wade, and Denny Burzynski. "Systems of Linear Equations: Proficiency Exam." Connexions. June 1, 2009. http://cnx.org/content/m21987/1.4/.

### Chicago Manual of Style (Note):

Wade Ellis and Denny Burzynski, "Systems of Linear Equations: Proficiency Exam," Connexions, June 1, 2009, http://cnx.org/content/m21987/1.4/.

### Chicago Manual of Style (Reference, in Author-Date style):

Ellis, W., & Burzynski, D. 2009. Systems of Linear Equations: Proficiency Exam. Connexions, June 1, 2009. http://cnx.org/content/m21987/1.4/.

### Modern Languages Association (MLA) Style Manual:

Ellis, Wade, and Denny Burzynski. Systems of Linear Equations: Proficiency Exam. Connexions. 1 June 2009 <http://cnx.org/content/m21987/1.4/>.