Solve the System by the Substitution or Elimination Method $$\left( \begin{array} { r l } 2 x ^ { 2 } + y ^ { 2 } & = 15 \\x ^ { 2 } - y ^ { 2 } & = 6\end{array} \right)$$

question 185

Multiple Choice

Solve the system by the substitution or elimination method. $$\left( \begin{array} { r l } 2 x ^ { 2 } + y ^ { 2 } & = 15 \\x ^ { 2 } - y ^ { 2 } & = 6\end{array} \right)$$

• A) \(( \sqrt { 7 } , 1 ) , ( \sqrt { 7 } , - 1 ) , ( - \sqrt { 7 } , 1 ) , ( - \sqrt { 7 } , - 1 )\)
• B) \(( \sqrt { 7 } , 1 ) , ( \sqrt { 7 } , - 1 )\)
• C) \(( \sqrt { 8 } , 1 ) , ( \sqrt { 8 } , - 1 ) , ( - \sqrt { 8 } , 1 ) , ( - \sqrt { 8 } , - 1 )\)
• D) \(( - \sqrt { 8 } , 1 ) , ( - \sqrt { 8 } , - 1 )\)
• E) \(( - \sqrt { 7 } , 1 ) , ( - \sqrt { 7 } , - 1 )\)

Recognize the effectiveness and limitations of analgesic drugs, including opiates and antidepressants, in controlling pain.

Describe various medical and non-medical interventions for pain management, including spinal stimulation, surgery, and self-medication systems.

Identify the principles underlying behavior modification techniques such as operant conditioning.

Comprehend the use and effectiveness of cognitive-behavioral therapy (CBT) and Acceptance and Commitment Therapy (ACT) in managing chronic pain.

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