Write an Equation to Describe the Variation $x$ And Inversely As $y$

question 14

Multiple Choice

Write an equation to describe the variation. Use k for the constant of proportionality.
-w varies directly as $x$ and inversely as $y$ .

• A) \(w + x - y = k\)
• B) \(w x y = k\)
• C) \(w = \frac { k x } { y }\)
• D) \(w = \frac { k y } { x }\)

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Definitions:

Reflectivity

The measure of the proportion of light or radiation that is reflected by a surface, often impacting climate and temperature.

Earth's Climate

The global patterns of weather and atmospheric conditions affecting the entire Earth, influenced by solar radiation, oceans, landforms, and human activity.

Temperature

A physical quantity expressing hot and cold, measured with a thermometer and quantitatively determined by the average kinetic energy of the particles in a substance.

Precipitation

Any form of water - liquid or solid - falling from the sky, including rain, snow, sleet, and hail, which is a crucial component of the water cycle.