Podcast
Questions and Answers
Which symbol is used to denote the union of sets?
Which symbol is used to denote the union of sets?
- ∪ (correct)
- ∈
- ⊆
- ∩
What is the result of a nullary union?
What is the result of a nullary union?
- An empty set (correct)
- A set with only one element
- A set with all elements in the collection
- A set with all elements in the collection except one
In set-builder notation, how is the union of sets A and B represented?
In set-builder notation, how is the union of sets A and B represented?
- A ∪ B (correct)
- A ⊂ B
- A ∩ B
- A ∈ B
What is the union of sets A = {1, 3, 5, 7} and B = {1, 2, 4, 6, 7}?
What is the union of sets A = {1, 3, 5, 7} and B = {1, 2, 4, 6, 7}?
What is the union of sets A = {x is an even integer larger than 1} and B = {x is an odd integer larger than 1}?
What is the union of sets A = {x is an even integer larger than 1} and B = {x is an odd integer larger than 1}?
Which of the following is true about factoring polynomials?
Which of the following is true about factoring polynomials?
What are the factors of the polynomial $2x^2 - 2x$?
What are the factors of the polynomial $2x^2 - 2x$?
What are the factors of the polynomial $2x^2 - 3x - 5$?
What are the factors of the polynomial $2x^2 - 3x - 5$?
What is the purpose of factoring polynomials?
What is the purpose of factoring polynomials?
Which property of factoring makes it extremely useful in mathematics?
Which property of factoring makes it extremely useful in mathematics?
Which method can be used to factor a trinomial with a prime number as the leading coefficient?
Which method can be used to factor a trinomial with a prime number as the leading coefficient?
What is the result of factoring the trinomial $2m^2 - 11m + 15$?
What is the result of factoring the trinomial $2m^2 - 11m + 15$?
Which type of trinomials does the A-C method of factoring work easily for?
Which type of trinomials does the A-C method of factoring work easily for?
What is the first step in the A-C method of factoring?
What is the first step in the A-C method of factoring?
What are the two numbers used to split the middle term in the A-C method of factoring?
What are the two numbers used to split the middle term in the A-C method of factoring?