Evaluate the Expression for the Given Values $\frac { y - 7 x } { 8 x + x y }$

question 145

Multiple Choice

Evaluate the expression for the given values.
- $\frac { y - 7 x } { 8 x + x y }$ when x=-4 and y=3

• A)\(\frac { 25 } { 44 }\)
• B)\(\frac { 5 } { 4 }\)
• C) -\(\frac { 9 } { 22 }\)
• D) -\(\frac { 31 } { 44 }\)

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Definitions:

Thermodynamics

A branch of physics that deals with the relationships between heat and other forms of energy, and how these affect matter.

Conservation

The practice of protecting natural resources and the environment through preservation, management, and restoration efforts to prevent degradation.

Crude Oil

A natural, unrefined petroleum product composed of hydrocarbon deposits and other organic materials.

Distillation

A process of separating components from a liquid mixture by selective boiling and condensation, commonly used in the purification of water, alcohol, and chemicals.