Solve by Completing the Square $$\mathrm { y } ^ { 2 } + 4 \mathrm { y } - 3 = 0$$

question 45

Multiple Choice

Solve by completing the square.
- $$\mathrm { y } ^ { 2 } + 4 \mathrm { y } - 3 = 0$$

• A) \(- 1 \pm \sqrt { 7 }\)
• B) \(- 2 \pm 2 \sqrt { 7 }\)
• C) \(- 2 \pm \sqrt { 7 }\)
• D) \(2 + \sqrt { 7 }\)

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Definitions:

Alpha Waves

Brain waves that are present when an individual is relaxed, awake, but not actively processing information.

Beta Waves

Brain wave patterns associated with active, alert consciousness and cognitive processes.

Delta Waves

The type of brain waves that are primarily associated with deep sleep and are the slowest with the highest amplitude seen in an EEG.

Psychological Dependence

A condition characterized by an emotional or mental reliance on a substance or behavior, often leading to cravings and distress if the object of dependence is absent.