Solve the Equation by Completing the Square $x ^ { 2 } + 41 = - 16 x$

question 81

Multiple Choice

Solve the equation by completing the square.
- $x ^ { 2 } + 41 = - 16 x$

• A) \(8 + \sqrt { 23 }\)
• B) \(- 8 - \sqrt { 23 } , - 8 + \sqrt { 23 }\)
• C) \(8 - \sqrt { 41 } , 8 + \sqrt { 41 }\)
• D) \(- 16 + \sqrt { 41 }\)

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Definitions:

Visual Perception

The ability to interpret and make sense of visual information from the environment through the process of sight.

Absolute Sensory Threshold

The minimum intensity of a stimulus that is required for a person to detect its presence 50% of the time.

Audition

The process of hearing or the ability to perceive sound by detecting vibrations via an organ such as the ear.

Rods

Photoreceptor cells in the retina of the eye that are highly sensitive to light and enable vision in low-light conditions.