How can you tell by looking at a graph if there is a proportional relationship?

Question

Cash Watkins

Mathematics

6 December, 22:51

How can you tell by looking at a graph if there is a proportional relationship?

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Ryan Watkins · Answer 1

If there is a porpotional relationship then it there will be a pattern like, 7, 14, 21 etc. You can tell because the line will go straight in a perfect line and won't go at a different andle from the rest of the line.