Counting and Cardinality

What is the cardinality of set A is a counting number less than 10?

• 7

• 8

• 9

• 10

_____ is a collection of well-defined objects.

Another term for member of a set.

• element

• set

• set notation

• roster method

Which of the following is true?

• The cardinality of an empty set is 1.

• If two sets have exactly the same elements, then they are equal.

• If two sets are equal, then they are equivalent.

• If two sets are equivalent, then they are equal.

If A = {a, b, c, d}, how many subsets does A have?

This refers to a well - defined collection of objects.

• SETS

• ELEMENTS

• CARDINALITY

• UNION

What do we call to the numerical quantity of elements in a certain set?

• SET

• ELEMENTS

• CARDINALITY

• INTERSECTION OF SETS

What is the cardinality of the set A?

• 1

• 5

• 7

• 10

What are the elements contained in this set?

• A= { 1, 2, 3, 4}

• B= { 5, 6, 7, 8, 9, 10}

• C = { 2, 4}

• D= { 1, 3 }

What way in describing a set is used?

• Roster Notation

• Verbal Description Method

• Set Builder Notation