Write an equation to describe the variation. Use k for the constant of proportionality.
-$s$ varies directly as $t$ and inversely as $u$.
A) $s = \frac { k t } { u }$
B) $s = \frac { k u } { t }$
C) $\mathrm { s } + \mathrm { t } - \mathrm { u } = \mathrm { k }$
D) $s t u = k$

Question

Quizplus · Accepted Answer

Direct variation with $t$ and inverse variation with $u$ is represented by $s = \frac { k t } { u }$.

Write an Equation to Describe the Variation sss Varies Directly As ttt

Write an Equation to Describe the Variation $s$ Varies Directly As $t$