Joint and Combined Variation Answers

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Step 1: Set up the correct type of variation equation. y =

k/x

x + k

– k

Which of these statements are true for joint variations? Check all that apply.

There are at least two constants of proportionality.

The dependent variable is related to the product of the independent variables by a constant of proportionality, k.

The equation must have at least two independent variables.

The constant of proportionality is 1.

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