No student devices needed. Know more
22 questions
If A = {1, 3, 5, 7, 9} and B = {2, 3, 5, 7}, what is A ∩ B?
{3, 5, 7}
{2, 3, 5, 7}
{2, 3, 5, 7, 9}
{1, 2, 3, 5, 7, 9}
What does this symbol ( ∪ ) represent in set theory?
Union
Intersection
Disjointed
Subset
If
U (the universal set) = {1, 3, 5, 7, 9, 11, 13, 15, 17} and W = {5, 7, 9, 11}, then W' = . . ..
{1, 3, 13, 15, 17}
{1, 3}
{2, 4, 6, 8, 10, 12, 14, 16}
{1, 3, 5, 7, 9, 11, 13, 15, 17}
Identify the shaded area...
A
B
A'
B'
Identify the shaded area...
A
B
A'
B'
Identify the shaded area...
A∩B
A∪B
A'∩B'
A'∪B'
How many people own cats?
3
4
6
7
10
How many people ONLY own dogs?
3
4
6
7
9
How many people only own cats and dogs?
3
4
6
7
9
Raawi asks his classmates if they have brown hair or wear glasses. B = {students with brown hair} and G = {students with glasses}. His results are shown in the Venn diagram. How many students wear glasses?
2
3
5
The set S = {fever, dry cough, tiredness} list the common symptoms of COVID-19. What is the cardinality of this set?
3
4
5
6
How many subsets does set A = { red, blue} has?
1
2
3
4
Equal sets have
the exact same elements
the same number of elements
the opposite
nothing
Equivalent sets have
the opposite elements
nothing
the exact same elements
the same number of elements
Explore all questions with a free account