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In the fall of 2024, Citizen Math released updated versions of every lesson in our library, plus a few new ones! We know you may have already prepped an earlier version or planned a repeat of last year, so we're continuing to make these earlier versions available through Thursday December 5, 2024.

You can find the new lessons through the regular search, and we hope you love them as much as we do. You can read more about these updates in Our Community.

How much should Nintendo charge for a video game console? In response to a sales slump, in 2013 Nintendo dropped the price of the Wii U video game console. The following month, they sold three times as many units, which suggests their plan worked. However, Nintendo may have gotten the price wrong.

In this lesson, students use linear and quadratic models to analyze and discuss the relationship between the price of a Wii U console and profits for Nintendo.

- Just because a company sells more of an item, though, doesn’t mean it’ll make more money. There are also costs to consider.
- The profit a company makes is equal to the profit it makes
*per item*times the number of items sold. - Video game companies may price consoles at a lower-than-profit-maximizing-price in order to sell more games.

- Use real data to create and interpret a linear model for demand as a function of price
- Use real data to create and interpret a quadratic model for total profit as a function of price
- Multiply two linear functions to create a quadratic function
- Find and interpret the maximum and intercepts of a parabola