Interpret the Graph of a Proportional Relationship

The video tutorial covers a math test prep question on proportional relationships, divided into four parts. It begins with determining if a graph shows a proportional relationship, followed by interpreting the point (3, 90) in context. The tutorial then calculates earnings for 10 hours using the unit rate and concludes with writing an equation to represent the relationship. The video encourages continued learning.

Is the relationship between x and y proportional based on the graph? Explain your reasoning.

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What does the point (3, 90) represent in the context of Mr. David's work and earnings?

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How many dollars will Mr. David earn if he works for 10 hours? Explain how you got your answer.

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Write an equation that could be used to find y, the number of dollars Mr. David earns for working x hours.

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What is the constant of proportionality in the relationship between hours worked and dollars earned?

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