The Graph of the Equation $x ^ { 2 } + x y + k y ^ { 2 } + 12 x + 16 = 0$

question 512

True/False

The graph of the equation $x ^ { 2 } + x y + k y ^ { 2 } + 12 x + 16 = 0$ where, $k$ is any constant less than $\frac { 1 } { 4 }$ , is a hyperbola.

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Definitions:

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The weight of the air that surrounds the earth. At sea level, this weight exerts 14.7 pounds of pressure per square inch of surface area.

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The gaseous form of refrigerant, used in air conditioning and refrigeration systems to absorb and dispel heat.

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