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Trolls, tolls, and systems of equations

A troll forces us to use algebra to figure out the make-up of his currency. We end up setting up a system of equations

Functional relationships 1

Functional Relationships 1

Testing if a relationship is a function

Testing if a relationship is a function

Slope of a line 2

Slope of a Line 2

Graphical slope of a line

Graphical Slope of a Line

Slope of a line 3

Slope of a Line 3