Solve Combined Variation Problems
- $\mathrm { p }$ Varies Directly As

Multiple Choice

Solve Combined Variation Problems
- $\mathrm { p }$ varies directly as $\mathrm { q }$ and inversely as the square of $r$ .

A) $\mathrm { p } = \frac { \mathrm { kq } } { \mathrm { r } ^ { 2 } }$
B) $\mathrm { p } = \frac { \mathrm { kr } } { }$
C) $\mathrm { pqr } ^ { 2 } = \mathrm { k }$
D) $\mathrm { p } + \mathrm { q } - \mathrm { r } ^ { 2 } = \mathrm { k }$