Solve the System of Equations by Using the Addition Method $$\begin{array} { l } 5 x ^ { 2 } + 3 y ^ { 2 } = 95 \\x ^ { 2 } + 5 y ^ { 2 } = 129\end{array}$$

question 148

Multiple Choice

Solve the system of equations by using the addition method.
- $$\begin{array} { l } 5 x ^ { 2 } + 3 y ^ { 2 } = 95 \\x ^ { 2 } + 5 y ^ { 2 } = 129\end{array}$$

• A) \(\{ ( 2,5 ) , ( 2 , - 5 ) , ( - 2,5 ) , ( - 2 , - 5 ) \}\)
• B) \(\{ ( 2,5 ) , ( 2 , - 5 ) \}\)
• C) { }
• D) \(\{ ( 2,5 ) , ( - 2,5 ) \}\)

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Definitions:

Birthday Cakes

Desserts specially made or bought to celebrate a person's birthday, often decorated with icing, candles, and personalized messages.

Average Fixed Cost

The steady expenditure in manufacturing, divided by the total output generated.

Fixed Costs

Costs that do not change with the level of output or sales, such as rent, salaries, and insurance.

Birthday Cakes

Customarily decorated cakes made to celebrate and serve as a centerpiece during birthday festivities.