Write an Equation for the Ellipse $( \pm 9,0 )$ ; $x$

question 62

Multiple Choice

Write an equation for the ellipse.
-foci at $( \pm 9,0 )$ ; $x$ -intercepts $( \pm 15,0 )$

• A) \(\frac { x ^ { 2 } } { 15 } + \frac { y ^ { 2 } } { 12 } = 1\)
• B) \(\frac { x ^ { 2 } } { 144 } + \frac { y ^ { 2 } } { 225 } = 1\)
• C) \(\frac { x ^ { 2 } } { 225 } + \frac { y ^ { 2 } } { 144 } = 1\)
• D) \(\frac { x ^ { 2 } } { 12 } + \frac { y ^ { 2 } } { 15 } = 1\)

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A customer's consistent preference for one brand over all others, often reflected in repeated purchases.

Economies of Scale

The financial benefits that businesses gain from their operation size, where the cost for each unit produced typically diminishes as the scale of operation grows.

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Gross Domestic Product, the total monetary or market value of all the finished goods and services produced within a country's borders in a specific time period.