Linear graphs word problems (Full video)

Khan Academy
Supporting grades: 8

Description: Sal discusses how we would go about making sense of the direction of a linear graph that represents a relationship between two real-world quantities. Created by Sal Khan. What i want to do with this video is think about the relationship between variables and then think about what the graph of that relationship should look like. So let's think about what would happen for the price and demand for most normal products. Now what happens is the price, so right here the price is low, demand is high, if the price were to go up a little bit then maybe the demand goes down a little bit, right?

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