Josh, Romani: review for Midterm Exam part 3

Solving a system of linear equations:
In this quiz you will review:
Two equations – graphically, substitution, elimination
What is the relationship between the graph and the algebraic technique?
When is there no solution and what is the graphical significance? When are there infinitely many solutions (and how do we specify exactly which solutions we mean)?
Cramer’s Rule: what are the advantages?
Matrix equations and inverses (how do we tell when two matrices are inverses?)
There are 10 questions in this quiz.

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