Write an Equation for the Hyperbola $\frac { x ^ { 2 } } { 4 } - \frac { y ^ { 2 } } { 16 } = 1$

question 189

Multiple Choice

Write an equation for the hyperbola.
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• A) \(\frac { x ^ { 2 } } { 4 } - \frac { y ^ { 2 } } { 16 } = 1\)
• B) \(\frac { y ^ { 2 } } { 4 } - \frac { x ^ { 2 } } { 9 } = 1\)
• C) \(\frac { x ^ { 2 } } { 4 } - \frac { y ^ { 2 } } { 9 } = 1\)
• D) \(\frac { y ^ { 2 } } { 4 } - \frac { x ^ { 2 } } { 16 } = 1\)

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Definitions:

Trade Surplus

A situation in which a country's exports exceed its imports, leading to a positive balance of trade.

Export

Goods or services sold by a country to another country, contributing positively to the selling country's balance of trade.

C + I + G Curve

An economic model representing the total spending in an economy, comprising Consumption (C), Investment (I), and Government Expenditures (G).

Regressive Tax

A taxation mechanism where the tax rate effectively decreases as the taxable amount (income or assets) increases, placing a higher relative burden on lower earners.