What's Going On? December 4th through December 8th

Thought for the Week


 










Topic 7: Modeling with Inverse and Joint Variation

This week, we will move into our seventh topic for the year.  We will start off by talking about direct variation.  We are talking about things that are directly proportional and fit into the equation y = kx.  Think about the number of hours you work is directly proportional to the amount you earn on your paycheck.

We will then talk about inverse variation.  For example, if we have 30 cookies and want to share them with our friends.  The more friends that we share with, the fewer cookies that each person gets.  Things that vary inversely fit into the equation xy = k.



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