Unit 6

Read the following sections in Chapter 11:

Section 11.1 Systems of Linear Equations: Two Variables

Section 11.2 Systems of Linear Equations: Three Variables

Section 11.3 Systems of Nonlinear Equations and Inequalities: Two Variables

Section 11.6 Solving Systems with Gaussian Elimination

You should attempt the exercises in the book as indicated below.

These exercises help to establish an understanding of the concepts involved. If necessary, reread the examples and exercises solved in the book. The answers are at the end of the book.

Section 11.1 exercises: 1, 11, 21, 31, 41, 47, 55, 59, 65, 69

Section 11.2 exercises: 1, 11, 21, 31, 41, 47, 55, 59, 65, 69

Section 11.3 exercises: 1, 7, 11, 21, 31, 41, 47, 53, 57

Section 11.6 exercises: 1, 7. 11, 21, 31, 41, 47, 55, 59

You are allowed to use the book and other resources to answer the problems. You are welcome to ask about these in the Course Forum.

Optional Video Resources

Access these online resources for additional instruction and practice with domain and range.

Mathispower4u. (2009, October 19). Solving systems of equations using substitution [Video file]. Retrieved from

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Mathispower4u. (2009, October 19). Solving systems of equations using elimination [Video file]. Retrieved from

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Mathispower4u. (2009, October 19). Applications involving systems of equations [Video file]. Retrieved from

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Mathispower4u. (2012, August 24). Ex 1: System of three equations with three unknowns using elimination [Video file]. Retrieved from

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Mathispower4u. (2012, August 27). Ex 2: System of three equations with three unknowns using elimination [Video file]. Retrieved from

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Mathispower4u. (2012, September 10). Ex 1: Solve a system of nonlinear equations (Substitution) [Video file]. Retrieved from

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Mathispower4u. (2012, September 10). Ex 3: Solve a system of nonlinear equations (Elimination) [Video file]. Retrieved from

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