Solve Problems Involving Joint Variation
- $r$ Varies Jointly As $s$ And the Square Of

question 225

Multiple Choice

Solve Problems Involving Joint Variation
- $r$ varies jointly as $s$ and the square of $n$ .

• A) \(\mathrm { r } = \mathrm { ksn } ^ { 2 }\)
• B) \(r = \frac { k s } { n ^ { 2 } }\)
• C) \(\mathrm { r } = \mathrm { kskn } ^ { 2 }\)
• D) \(\mathrm { r } = \frac { \mathrm { kn } ^ { 2 } } { \mathrm {~s} }\)

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