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Nadusha1986 [10]
2 years ago
5

Is y=-2x proportional

Mathematics
2 answers:
Fittoniya [83]2 years ago
8 0

Answer:

no

Step-by-step explanation:

romanna [79]2 years ago
8 0

Answer:

Yes, if you are referring to proportionality in general. No if you are referring to a direct proportionality.

Step-by-step explanation:

y = -2x is negatively proportional so it is not directly proportional because y or one quantity decreases when x or another quantity increases. In a directly proportional relationship, as one quantity increases another quantity must increase at the same rate, in other words both must increase thus be positive. When something is proportional it has a constant ratio, and relation.

Direct proportionality or variation is represented by y ∝ x, where ∝ is the symbol used to represent proportionality.

y = kx where k is the constant of proportionality.

Where k = y/x.

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