Decide If the Number Is Rational or Irrational $- \sqrt { 170 }$

question 92

Multiple Choice

Decide if the number is rational or irrational.
- $- \sqrt { 170 }$

• A) Rational
• B) Irrational

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Definitions:

Cortisol

A steroid hormone produced by the adrenal glands, often released in response to stress and low blood-glucose concentration.

Ghrelin

A hormone produced by the stomach that stimulates appetite, often termed the "hunger hormone."

Leptin

A hormone produced by fat cells that helps to regulate body weight by signaling satiety to the brain.

Sleeptalking

The occurrence of speaking during sleep without being aware of it, ranging from simple mumblings to complex dialogues, and often considered a benign sleep disorder.