Podcast
Play an AI-generated podcast conversation about this lesson
Questions and Answers
Which of the following is the correct definition of irrational numbers?
Which of the following is the correct definition of irrational numbers?
- Numbers that can be expressed as a ratio of two integers
- Numbers that can be expressed as simple fractions
- Numbers that cannot be expressed as a ratio of two integers
- Numbers that cannot be expressed as simple fractions (correct)
Which symbol is used to denote the set of irrational numbers?
Which symbol is used to denote the set of irrational numbers?
- R - Q
- R
- R\Q (correct)
- Q
Which of the following is an example of an irrational number?
Which of the following is an example of an irrational number?
- √5 (correct)
- 0.25
- 3.14
- 2/3
What is the difference between rational and irrational numbers?
What is the difference between rational and irrational numbers?
Signup and view all the answers
Flashcards are hidden until you start studying
Study Notes
Irrational Numbers
- An irrational number is a real number that cannot be expressed as a finite decimal or fraction (i.e., it is not a rational number).
- The set of irrational numbers is denoted by the symbol â„‘.
Rational vs. Irrational Numbers
- Rational numbers are real numbers that can be expressed as the ratio of two integers (e.g., 3/4, 22/7).
- Irrational numbers, on the other hand, are real numbers that cannot be expressed as a finite decimal or fraction.
- An example of an irrational number is π (pi), which is approximately equal to 3.14159 but is a non-repeating, non-terminating decimal.
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
