Graphs of Proportional Relationships and Constant of Proportionality

This video tutorial covers the concept of proportional relationships, focusing on how to determine if a table or graph represents such a relationship. It explains the constant of proportionality, denoted as 'k', and how to calculate it from tables and graphs. The video also discusses the characteristics of graphs that indicate proportional relationships, such as passing through the origin. The lesson includes practical examples and exercises for identifying and calculating the constant of proportionality.

How can you prove that a table of values is not proportional?

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What steps would you take to identify the constant of proportionality from a given table?

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What is the significance of the origin point in determining proportional relationships?

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In your own words, explain the relationship between y and x in a proportional relationship.

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