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Mademuasel [1]
3 years ago
6

Which graph shows a proportional relationship?

Mathematics
2 answers:
Tasya [4]3 years ago
8 0

Answer: The first one is the proportion


Step-by-step explanation: the reason is because it starts at the orgin.


Verdich [7]3 years ago
6 0
Answer: The only graph that shows a proportional relationship is the line that crosses the origin point (0,0).

Explanation

The other graphs are linear functions but not not proportional relationships.

The general form of a proportional relationship is y = kx, where k is the proportionality constant. So, for x = 0 you will always obtain y = 0.

The general form of a linear relationshio is y = kx + b, being b the y-intercept, so if the y-intercept is not 0, it is not a proportional relationship. That is what happens with the other three graphs.
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