Podcast
Questions and Answers
Which set is often denoted by the boldface Z or blackboard bold Z?
Which set is often denoted by the boldface Z or blackboard bold Z?
- Set of all rational numbers
- Set of real numbers
- Set of all integers (correct)
- Set of natural numbers
What is the smallest group and the smallest ring containing the natural numbers?
What is the smallest group and the smallest ring containing the natural numbers?
- Complex numbers
- Integers (correct)
- Real numbers
- Rational numbers
Which set is countably infinite?
Which set is countably infinite?
- Integers (correct)
- Real numbers
- Complex numbers
- Rational numbers
Which numbers are the additive inverses of the corresponding positive numbers?
Which numbers are the additive inverses of the corresponding positive numbers?
Which set is a subset of the set of all rational numbers?
Which set is a subset of the set of all rational numbers?