Sets and Venn Diagrams: Universal Set and Notation

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Questions and Answers

Which notation is used to indicate that 'x' is NOT an element of set S?

  • x = S
  • x ∉ S (correct)
  • x ⊆ S
  • x ∈ S

Which method is used to represent sets by explicitly listing all the elements?

  • Roster Method (correct)
  • Subset Method
  • Universal Method
  • Descriptive Method

What type of set has a countable number of elements?

  • Universal Set
  • Finite Set (correct)
  • Infinite Set
  • Subset

Which set equality statement indicates that two sets have exactly the same elements?

<p>{9, 2, 7, -3} = {7, 9, -3, 2} (A)</p> Signup and view all the answers

What does the Universal Set contain?

<p>All elements relevant to a particular discussion or problem (A)</p> Signup and view all the answers

'{3} = {x | x is a counting number between 2 and 5}' uses which method to represent a set?

<p>Descriptive Method (D)</p> Signup and view all the answers

According to the information provided, which of the following accurately represents an infinite set?

<p>{1, 2, 3, ...} (C)</p> Signup and view all the answers

In the context of sets, which notation would be used to represent a set containing all counting numbers between 2 and 5?

<p>{x | x is a counting number between 2 and 5} (B)</p> Signup and view all the answers

In set theory, which of the following would not affect the equality of two sets?

<p>The repetition of elements (A)</p> Signup and view all the answers

Based on the provided content, which method is commonly used to describe the elements of a set?

<p>Descriptive method (B)</p> Signup and view all the answers

Which of the following correctly defines a finite set according to the information provided?

<p>{dog, cat, horse} (D)</p> Signup and view all the answers

In the context of sets and their representation methods, which option correctly explains the roster method?

<p>{a, b, c} (A)</p> Signup and view all the answers

What is the universal set U in the first practice exercise?

<p>{1, 2, 3, 4, 5, 6, 7, 8} (D)</p> Signup and view all the answers

In set notation, what does A' represent in the first practice exercise?

<p>Complement of set A (A)</p> Signup and view all the answers

What is the intersection of sets A and B in the second practice exercise?

<p>{ù, d} (A)</p> Signup and view all the answers

Which of the following represents the union of sets A and B in the third practice exercise?

<p>{², ù, õ, ½, §, d, b, @, Ó} (B)</p> Signup and view all the answers

What is the result of A - B in the fourth practice exercise?

<p>{1, 3, 5, 7} (D)</p> Signup and view all the answers

Which option correctly represents the intersection of sets A and B defined by letters in the fifth practice exercise?

<p>{e, o} (C)</p> Signup and view all the answers

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