Provide an Appropriate Response

question 536

Multiple Choice

Provide an appropriate response.
-What property of real numbers is illustrated by the following statement: -9 + 2x = 2x + (-9)

• A) associative property for addition
• B) commutative property for subtraction
• C) commutative property for addition
• D) distributive property

---

Definitions:

Electroencephalograph (EEG)

A device used to record the electrical activity of the brain, often used in sleep and brain function research.

REM Sleep

A stage of sleep characterized by rapid eye movement, increased brain activity, and vivid dreams, playing a role in memory consolidation and emotional processing.

Beta Waves

Brain waves that are present during awake, alert states of consciousness and are associated with concentration, arousal, and cognition.

Beta Waves

Brainwave patterns associated with active, alert state of mind, characteristic of waking consciousness.