Exploring Venn Diagrams: Unions and Intersections

What are the two ways to define a set?

• Listing its members and using graphs

• Using graphs and set-builder notation

• Listing its members and set-builder notation

• Using Venn Diagrams and listing

What does the interior of a circle in a Venn Diagram represent?

• Only common elements

• All elements of the set

• Elements not in the set

• The union of sets

What do we call two sets that have no elements in common?

• Union sets

• Disjoint sets

• Superset sets

• Subset sets

What symbol is used to denote the intersection of two sets?

• A minus sign

• A circle

• A plus sign

• An inverted U

If set A contains {1, 2, 3} and set B contains {2, 3, 4}, what is the intersection of A and B?

• {1, 2, 3}

• {1, 2, 3, 4}

• {2, 3}

• {1, 4}

How is the union of two sets A and B defined?

• All elements in A or B

• All elements in A and B

• Only common elements in A and B

• Only unique elements in A and B

If set A contains {1, 2, 3} and set B contains {2, 3, 4}, what is the union of A and B?

• {1, 2, 3, 4}

• {1, 2, 3}

• {2, 3}

• {1, 4}

In a Venn Diagram, how is a subset typically shown?

• As a smaller region within the superset

• As a larger region outside the superset

• As a disjoint region

• As an overlapping region

Which set is a subset of the set of whole numbers?

• The set of irrational numbers

• The set of rational numbers

• The set of natural numbers

• The set of real numbers

What forms the set of real numbers?

• The union of natural and whole numbers

• The intersection of rational and irrational numbers

• The union of rational and irrational numbers

• The intersection of natural and whole numbers