Find an Equation of Variation in Which the Following Are $y$

question 163

Multiple Choice

Find an equation of variation in which the following are true.
- $y$ varies jointly as $x$ and $w$ and inversely as $z$ , and $y = \frac { 9 } { 2 }$ when $x = 2 , w = 6$ , and $z = 24$ .

• A) \(y = \frac { 6 z } { x w }\)
• B) \(y = 4 x w z\)
• C) \(y = \frac { 6 x w } { z ^ { 2 } }\)
• D) \(y = \frac { 9 x w } { z }\)