Question

The equation below describes a proportional relationship between x and y. What is the constant of proportionality? y = 2/9x

Answer 1

Answer: 2/9

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Step-by-step explanation:

The equation y = (2/9)x is in the form y = kx

In this case, k = 2/9.

The value of k is the constant of proportionality.

All direct proportion equations are in the form y = kx. Their graphs go through the origin. The slope of the line is the same as the constant of proportionality.