Find the Constant of Variation for the Stated Condition: Y $k = \frac { 1 } { 9 }$

question 76

Multiple Choice

Find the constant of variation for the stated condition: y varies directly as x , and y = 225 when x = 100.

• A) \(k = \frac { 1 } { 9 }\)
• B) \(k = \frac { 1 } { 4 }\)
• C) \(k = \frac { 9 } { 4 }\)
• D) \(k = 22,500\)
• E) \(k = \frac { 4 } { 9 }\)

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Definitions:

Photosynthetic Organisms

Life forms that convert light energy into chemical energy via photosynthesis, producing oxygen and organic compounds from carbon dioxide and water.

Nonphotosynthetic Partners

Organisms that do not perform photosynthesis but are involved in symbiotic relationships with photosynthetic organisms, often exchanging nutrients.

Oxygen

A chemical element with symbol O and atomic number 8, essential for most life forms on Earth as part of the process of respiration.

Ecological Niche

Of a species, unique set of requirements and roles in an ecosystem.