Solve Combined Variation Problems
-$r$ varies directly as the square of $s$ and inversely as $t$.
A) $\mathrm { r } = \frac { \mathrm { ks } ^ { 2 } } { \mathrm { t } }$
B) $r = \frac { k t } { s ^ { 2 } }$
C) $\mathrm { r } = \mathrm { k } + \mathrm { s } ^ { 2 } - \mathrm { t } ^ { 2 }$
D) $\mathrm { r } = \mathrm { ks } ^ { 2 }$

Question

Quizplus · Accepted Answer

The correct formula for $r$ that varies directly as the square of $s$ and inversely as $t$ is $r = \frac{ks^2}{t}$, where $k$ is the constant of proportionality.

Solve Combined Variation Problems - rrr Varies Directly as the Square Of

Solve Combined Variation Problems
- $r$ Varies Directly as the Square Of