2.3 Sets and Venn Diagrams

Front

What is the intersection of sets A = {1, 3, 5, 7, 9} and B = {2, 3, 5, 7}?

Back

A ∩ B = {3, 5, 7}

Front

What is the correct set notation for A intersection B?

Back

A ∩ B = {21}

Front

What does the shaded area represent if it is A ∪ B?

Back

The union of sets A and B, which includes all elements in either set.

Front

What is the correct set notation for A U B?

Back

A U B = {12, 14, 15, 18, 21}

Front

What does A' represent in set theory?

Back

A' represents the complement of set A, which includes all elements not in A.

Front

Define the union of two sets A and B.

Back

A ∪ B is the set of elements that are in A, in B, or in both.

Front

What is the complement of a set?

Back

The complement of a set A, denoted A', includes all elements not in A.

Front

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

Back

A ∩ B = {3}

Front

If A = {x | x is an even number} and B = {x | x is a prime number}, what is A ∩ B?

Back

A ∩ B = {2}

Front

What is the difference between A and B, denoted A - B?

Back

A - B is the set of elements in A that are not in B.