Find All Solutions of the Equation $$x ^ { 4 } + 16 = 0$$

question 288

Multiple Choice

Find all solutions of the equation. Leave answers in trigonometric form.
- $$x ^ { 4 } + 16 = 0$$

• A) \(\left\{ \sqrt { 2 } \operatorname { cis } 45 ^ { \circ } , \sqrt { 2 } \operatorname { cis } 315 ^ { \circ } , \sqrt { 2 } \operatorname { cis } 135 ^ { \circ } , \sqrt { 2 } \operatorname { cis } 225 ^ { \circ } \right\}\)
• B) \(\left\{ \sqrt { 3 } \operatorname { cis } 26.565 ^ { \circ } , \sqrt { 3 } \operatorname { cis } 333.435 ^ { \circ } , \sqrt { 3 } \operatorname { cis } 153.435 ^ { \circ } , \sqrt { 3 } \operatorname { cis } 206.565 ^ { \circ } \right\}\)
• C) \(\left\{ 16 \right.\) cis \(45 ^ { \circ } , 16\) cis \(315 ^ { \circ } , 16\) cis \(135 ^ { \circ } , 16\) cis \(\left. 225 ^ { \circ } \right\}\)
• D) \(\left\{ 2 \operatorname { cis } 45 ^ { \circ } , 2 \operatorname { cis } 315 ^ { \circ } , 2 \operatorname { cis } 135 ^ { \circ } , 2 \operatorname { cis } 225 ^ { \circ } \right\}\)

Recognize the effects of various drugs on the nervous system.

Distinguish between agonists and antagonists and their impacts on synaptic transmission.

Identify symptoms and treatments for specific neurological and psychological conditions.

Describe the structure and function of the nervous system, including the central and peripheral components.

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