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Does the equation y = 4.2x represent a proportional relationship? Choose the correct response.

A. Yes. The constant of proportionality is 4.2.
B. Yes. The equation is linear.
C. No. The equation is linear.
D. No. There is a rate of change of 4.2.

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jadeafrias
i agree with the answer the guy saif

Answer:

A .The constant of proportionality is 4.2

Step-by-step explanation:

The reason its a is because the rate of increase is always going to be be multiplied by 4.2 to stay increasing on a graph.  So the constant change is always going to have to do something with 4.2

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