# MTH 220 Week 3 Participation Prompt Week 3, Day 5 (Saturday)

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# MTH 220 Week 3 Participation Prompt Week 3, Day 5 (Saturday)

In this learning activity, discuss with the other members of your group your experiences with matrices.

Post a 150-word response to one of the discussion prompts by Day 5 in the discussion area below:

Prompt 1

View the following Week 3 videos:

• Patrick Just Math Tutorials: Solving a Linear System of Equations by Graphing

• Patrick Just Math Tutorials: Linear System of Equations: Solving using Substitution

• Patrick Just Math Tutorials: Linear System of Equations: Solving using Elimination by Addition

• After learning the three methods of solving linear systems of equations, which method do you prefer? Why?

• What makes this method better than the others?

• If you were to share your method, what would you say to a fellow classmate to convince them that your method is the best?

Prompt 2

View one of the following Week 3 videos:

• Khan Academy: Intro to Matrices

• Patrick Just Math Tutorials: Matrices: Basic Matrix Operations (add, subtract, multiply by constant)

• How do you determine when you can multiply 2 matrices? What do these results tell you? Provide an example with your explanation.

Prompt 3

Do the following:

• Search the internet for real-world applications of matrices. Share the application you discovered with the class along with how it relates to systems of equations. Be sure to reference the source.