Elimination Method

1) a) Systems of equations can be solved by graphing, using substitution, or elimination. What are the pros and cons of each method? Which method do you like best? Why? What circumstances would cause you to use a different method?

b) Respond to your classmates by indicating pros and cons they may not have considered. If you chose different methods, try to persuade them to see the value of the method you like best. Describe situations in which you might use their methods of solving equations.

2) a) Sometimes it is very obvious which method is most efficient to solve a system of equations because of the way the problem is set up. To be efficient, under what conditions would you use the:

· Graphing method

· Elimination method

· Substitution method

Provide an example of each.

b) Write your own system of equations. Respond to your classmates by solving their system using one of the methods. Why did you choose this method? Is this the easiest way to solve the system? Why?

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