How to visually identify proportional relationships using graphs | 7th grade | Khan Academy
829Learn how to tell proportional relationships by drawing graphs. Key idea: the graph of a proportional relationship is a straight line through the origin.
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https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-ratio-proportion/cc-7th-graphs-proportions/e/analyzing-and-identifying-proportional-relationships-2?utm_source=YT&utm_medium=Desc&utm_campaign=7thgrade
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https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-ratio-proportion/cc-7th-proportional-rel/v/banana-proportionality?utm_source=YT&utm_medium=Desc&utm_campaign=7thgrade
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