Choose the One Alternative That Best Completes the Statement or Answers

question 177

Multiple Choice

Choose the one alternative that best completes the statement or answers the question.
- $$\left\{ \begin{array} { l } 2 x ^ { 2 } + x y - y ^ { 2 } = 3 \\x ^ { 2 } + 2 x y + y ^ { 2 } = 3\end{array} \right.$$

• A) \(x = - \frac { 2 } { 3 } , y = \frac { 1 } { 3 } ; x = \frac { 2 \sqrt { 3 } } { 3 } , y = - \frac { 1 } { 3 }\)
• B) \(x = \frac { 2 \sqrt { 3 } } { 3 } , y = \frac { \sqrt { 3 } } { 3 } ; x = - \frac { 2 \sqrt { 3 } } { 3 } , y = - \frac { \sqrt { 3 } } { 3 }\)
• C) \(x = - \frac { 2 } { 3 } , y = - \frac { 1 } { 3 } ; x = \frac { 2 \sqrt { 3 } } { 3 } , y = \frac { 1 } { 3 }\)
• D) \(x = \frac { 2 \sqrt { 3 } } { 3 } , y = - \frac { \sqrt { 3 } } { 3 } ; x = - \frac { 2 \sqrt { 3 } } { 3 } , y = \frac { \sqrt { 3 } } { 3 }\)

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Definitions:

Spontaneous Recovery

A process in which a previously extinguished response reemerges after the conditioned stimulus is presented again.

Conditioned Stimulus

In classical conditioning, a previously neutral stimulus that, after becoming associated with the unconditioned stimulus, triggers a conditioned response.

Reflexive Response

An automatic reaction to a stimulus, not under conscious control, often protecting the body from harm or promoting its physiological well-being.

Neutral Stimulus

A stimulus that initially produces no specific response other than focusing attention, until it is paired with an unconditioned stimulus.