Sets Vocab

Front

Which best describes the set {0, 2, 4, 6, …}?

Back

Set of all whole numbers divisible by 2.

Front

Let C={2, 5, 7, 10} and B={1, 3, 5, 7, 9}. Find C ∩ B.

Back

{5, 7}

Front

What is a collection of well-defined group of objects?

Back

Set.

Front

What does the symbol ∩ represent?

Back

Intersection 'and'.

Front

What is A ∪ B if A = {1, 3, 5, 7, 9} and B = {2, 3, 5, 7}?

Back

{1, 2, 3, 5, 7, 9}.

Front

Define 'Element' in the context of sets.

Back

An individual object within a set.

Front

What is 'Cardinality' in set theory?

Back

The number of elements in a set.

Front

What does the symbol ∪ represent?

Back

Union 'or'.

Front

If A = {1, 2, 3} and B = {3, 4, 5}, what is A ∩ B?

Back

{3}.

Front

If A = {1, 2, 3} and B = {3, 4, 5}, what is A ∪ B?

Back

{1, 2, 3, 4, 5}.