Solve the Equation by Completing the Square $$x ^ { 2 } - 2 x - 3 = 0$$

question 417

Multiple Choice

Solve the equation by completing the square.
- $$x ^ { 2 } - 2 x - 3 = 0$$

• A) \(\{ - 1,3 \}\)
• B) \(\{ - 3,1 \}\)
• C) \(\{ - \sqrt { 3 } , \sqrt { 3 } \}\)
• D) \(\{ - 1 , - 2 \}\)

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Definitions:

Independent

not influenced or controlled by others; acting autonomously.

Average Kinetic Energy

The mean energy possessed by the particles of a substance due to their random motions, directly related to temperature.

Kinetic-Molecular Theory

A theory that explains the behavior of gases, stating that gas particles are in constant motion and that this motion has consequences for properties like pressure, volume, and temperature.

Temperature

A measure of the average kinetic energy of the particles in a sample of matter, expressed in degrees Celsius, Fahrenheit, or Kelvin.