Write an Equation to Describe the Variation $P$ Varies Jointly As $R$

question 175

Multiple Choice

Write an equation to describe the variation. Use k for the constant of proportionality.
- $P$ varies jointly as $R$ and the square of $S$ .

• A) \(P + R + S ^ { 2 } = k\)
• B) \(\mathrm { PRS } ^ { 2 } = \mathrm { k }\)
• C) \(P = k R S ^ { 2 }\)
• D) \(P = k + R + S ^ { 2 }\)

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