Question

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Answer 1

Answer: A

In a proportional relationship between two variables x and y, the ratio y/x is constant. This constant ratio is known as the constant of proportionality.

For example, if y is always twice x in a proportional relationship, the constant of proportionality would be 2, because y/x = 2 for any (x,y) values in the proportion.

So out of the answer choices provided, the unchanging ratio value in a proportional relationship is called the constant of proportionality, which is option A.

Explanation:

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Answer 2

Answer: The unchanging value of the ratio between two proportional quantities is "The constant of Proportionality."

Step-by-step explanation: When you have two quantities that are directly proportional to each other the ratio of two quantities remains the same.