Tick the true statements. Every linear relationship is an example of direct proportion. If the relationship between demand and price is linear, then the relationship between revenue and price will be quadratic. The relationship between the number of people sharing a cake, fairly, and the amount they get each is an example of a quadratic relationship. The relationship between the number of mars bars I buy and the total price I pay for them is a linear relationship. If the relationship between demand and price is quadratic, then the relationship between revenue and price will be linear. The relationship between any quantity and itself is always non-linear. The relationship between the number of people sharing a cake, fairly, and the amount they get each is an example of inverse proportion. Every direct proportion relationship is an example of a linear relationship.

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