Solve the Equation by Completing the Square $$x ^ { 2 } - 8 x - 7 = 0$$

question 160

Multiple Choice

Solve the equation by completing the square.
- $$x ^ { 2 } - 8 x - 7 = 0$$

• A) \(\{ 4 - \sqrt { 23 } , 4 + \sqrt { 23 } \}\)
• B) \(\{ - 4 - \sqrt { 23 } , - 4 + \sqrt { 23 } \}\)
• C) \(\{ 8 - \sqrt { 71 } , 8 + \sqrt { 71 } \}\)
• D) \(\{ 4 - \sqrt { 7 } , 4 + \sqrt { 7 } \}\)

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Definitions:

Passive Range

The extent of movement at a joint attained with external assistance, without the active contraction of the patient's muscles.

Active Range

The full motion extent that a joint or body part can achieve through voluntary muscle contraction.

Lower the Patient

The process of carefully moving a patient into a lower position, often for medical examination or treatment.

Prevent the Fall

Measures and interventions implemented to reduce the risk of falls, particularly in vulnerable populations like the elderly or those with mobility issues.