Example Activity: Linear Relation

Author:
GeoGebra Team German, Judith , GeoGebra Materials Team
Below you can see the relation between the quantity and the price of a certain item, both as data in a table and as a graph. You may adjust the slider in order to change the price of the item and explore the relation.

Tasks

Suppose you own $30.

  1. How many items can you buy if the price of each item is $7?
  2. How does this number change if the item is on sale and the price is only $4?

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