How do you know from a graph if a relationship is a direct variation?

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asked Feb 3, 2021 117k views

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Alaa Eldin · Answer 1 · 2021-02-07T23:23:01+0000

Answer:

A direct variation is when x and y (or f(x) and x) are directly proportional to each other... For example, if you have a chart that says x and y, and in the x column is 1, 2 and 3, and the y column says 2, 4 and 6... then you know it's proportional because for each x, y increases by 2

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How do you know from a graph if a relationship is a direct variation?

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