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A proportional relationship exists when two variables are related by a constant ratio. In the expression y-2.5x, there is no constant multiplier connecting y and x, indicating a non-proportional relationship. If the relationship were proportional, the expression would be in the form y = kx, where k is a constant.

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Wiki User

11y ago

no

a proportional relationship is y / x = 5

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Anonymous

Lvl 1
4y ago

No

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Q: Is y-2.5x a proportional relationship or no?
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Proportional is when it is proportional.


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