Solve the Equation $- x ^ { 2 } - 7 x + 8 = 0$

question 221

Multiple Choice

Solve the equation. $- x ^ { 2 } - 7 x + 8 = 0$

• A) { 1, -8 }
• B) { 1, 8 }
• C) { -1, -8 }
• D) { -1, 8 }

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Definitions:

Stages of Sleep

The distinct phases of sleep that people cycle through multiple times each night, including REM and several stages of NREM sleep.

Insomnia

A sleep disorder characterized by difficulty falling and/or staying asleep, affecting a person's quality of sleep and, consequently, their overall health and well-being.

REM Behavior Disorder

A sleep disorder characterized by the acting out of dreams due to the lack of normal muscle paralysis during REM sleep phases.

Conscious

The state of being aware of and responsive to one's surroundings and internal thoughts and feelings.