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Mathematics, 30.11.2019 04:31 558672

Which of the following best describes the term direct variation?

a. two variables exhibit direct variation if they have a constant ratio.

b. two variables exhibit direct variation if they do not have a constant ratio.

c. two variables exhibit direct variation if, when one variable increases, the other variable decreases.

d. two variables exhibit direct variation if their products are always equal.

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Which of the following best describes the term direct variation?

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