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The Constant of Proportionality Step-by-Step Lesson worksheet with a graph illustrating a proportional relationship between pounds and price.

Graph showing the constant of proportionality in a step-by-step lesson, illustrating a straight line through the origin with points (2, 20), (4, 40), (6, 60), (8, 80), and (10, 100), demonstrating the relationship between pounds and price.

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Show Answer Key & Explanations Step-by-step solution for: Constant Of Proportionality Worksheet 2020-2024 - Fill and Sign ...

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1. Identify two points from the graph: (2, 20) and (4, 40).
2. Use the formula for constant of proportionality: k = y / x.
3. For point (2, 20): k = 20 / 2 = 10.
4. For point (4, 40): k = 40 / 4 = 10.
5. Since both calculations give the same result, the constant of proportionality is 10.

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