Solve the Equation by Completing the Square $$\frac { x ^ { 2 } } { 16 } + x + \frac { 21 } { 8 } = 0$$

question 174

Multiple Choice

Solve the equation by completing the square.
- $$\frac { x ^ { 2 } } { 16 } + x + \frac { 21 } { 8 } = 0$$

• A) \[8 + \sqrt { 22 }\]
• B) \[- 16 \pm \sqrt { 42 }\]
• C) \[- 8 \pm \sqrt { 22 }\]
• D) \[8 - \sqrt { 42 } , 8 + \sqrt { 42 }\]

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