Systems of Equations Discussion Board
Systems of Equations Discussion Board
M7 Discussion: Solving Systems of Equations
Solving Systems of Equations by Elimination
Instructions:
- For your first post you will create your own system of equations.
- You need at least two variables and two equations.
- Khan Academy video example: Solve any system of two linear equations.
- Put your equations in the subject line.
- You need at least two variables and two equations.
- In the body of your post, use equation editor to write out your equations and then find the solution to your system of equations using the elimination method.
- Make sure to check back on your post. If your answer does not match the answer that others post in the reply, why is this the case?
- Show all your work
- For your second post, pick another student’s post and solve their system of equations using either substitution or matrices and show all your work.
- If you answer does not match theirs, see if you can figure out what happened.
- If someone has already replied to a post with substitution, you may reply with a post using matrices, but you may not repeat the substitution.
- For your third post, pick a different student and solve their system of equations using technology (either by graphing or using a graphing calculator).
- If you graphed to find the answer, post the graph. Otherwise, write in a few sentences about what you did.
- Check to see if your answer matches the previous answers.
- If someone has already replied to a post with a graph, you may not repeat the graph, but may reply by using the graphing calculator.
Discussion Criteria:
- You will need to post three times following the instructions above.
- Do not duplicate work.
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