Solve the System of Nonlinear Equations by the Addition Method $$9 x ^ { 2 } + 8 x y = 64$$

question 39

Multiple Choice

Solve the system of nonlinear equations by the addition method. $$9 x ^ { 2 } + 8 x y = 64$$
$$x ^ { 2 } - x y = 9$$

• A) \(\left\{ \left( - \sqrt { 8 } , \frac { \sqrt { 8 } } { 8 } \right) , \left( \sqrt { 8 } , - \frac { \sqrt { 8 } } { 8 } \right) \right\}\)
• B) \(\left\{ \left( - \sqrt { 8 } , - \frac { \sqrt { 8 } } { 8 } \right) , \left( \sqrt { 8 } , \frac { \sqrt { 8 } } { 8 } \right) \right\}\)
• C) \(\left\{ \left( - \sqrt { 8 } , \frac { \sqrt { 8 } } { 8 } \right) , \left( \sqrt { 8 } , \frac { \sqrt { 8 } } { 8 } \right) \right\}\)
• D){ }

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Intelligence Test

A standard assessment tool designed to measure cognitive abilities, such as reasoning, problem-solving, and understanding complex ideas.

Reasoning

The process of figuring out the implications of particular beliefs.

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The mental capacity to learn from experience, solve problems, and use knowledge to adapt to new situations.