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select the correct answer. the variable \\(q\\) varies inversely as the…

Question

select the correct answer.

the variable \\(q\\) varies inversely as the cube of \\(v\\). if \\(k\\) is the constant of variation, which equation represents this situation?

\\(qv^3 = k\\)

\\(q^3v = k\\)

\\(\frac{q}{v^3} = k\\)

\\(\frac{q^3}{v} = k\\)

Explanation:

Translate the verbal variation statement into an equation

$$ q = \frac{k}{v^3} $$

Solve for the constant of variation

$$ q \cdot v^3 = k $$

Answer:

  • (A) \(q v^3 = k\) (Correct answer)
  • (B) \(q^3 v = k\)
  • (C) \(\frac{q}{v^3} = k\)
  • (D) \(\frac{q^3}{v} = k\)