Write an Equation to Describe the Variation $\mathrm { p }$

question 68

Multiple Choice

Write an equation to describe the variation. Use k for the constant of proportionality.
- $\mathrm { p }$ varies jointly as the square of $\mathrm { q }$ and the square of $\mathrm { r }$ .

• A) \(\mathrm { p } = \mathrm { kq } ^ { 2 } \mathrm { r } ^ { 2 }\)
• B) \(p q ^ { 2 } r ^ { 2 } = k\)
• C) \(p + q ^ { 2 } + r ^ { 2 } = k\)
• D) \(p = k + q ^ { 2 } + r ^ { 2 }\)

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