Set Operations

The ________________ of sets can be denoted using the symbol ‘∩’.

• Union

• Intersection

• Difference

• Complement

It is the set of elements which are in set A or in set B or in both.

• Union of sets

• Complement of a set

• Difference of two sets

• Intersection of sets

What is the symbol or notation for Universal set?

What is the intersection of set A and set B?

A = {Even numbers less than 10}

B = {First five multiples of 4}

• A - B = {4,8}

• A U B = {4,8}

• A ∩ B = {4,8}

• A c B = {4,8}

What is the union of two sets A and B?

A = {1,2,3,5,7,9,11,13,15,17,19}

b = {2,4,6,8,10,12,16,18,20}

• A U B= {1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20}

• A U B= {1,2,2,3,4,5,6,7,8,9,10,11,12,13,15,16,17,18,19,20}

• A U B= {1,2,3,4,5,6,7,8,9,10,11,12,13,15,16,17,18,19,20}

• A U B= {1,2,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20}

U={1,2,3,4,5,6,7,8,9,10}

A={1,3,5,9}

What is The complement of set A?

• A-U={1,3,5,9,10}

• A'={2,4,6,7,8,10}

• A'={1,2,4,6,7,8,10}

• A'={1,2,3,4,5,6,7,8,9,10}

What is the difference of Set A and Set B?

A={1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20}

B={2,3,4,5,6,8,10,12,14,15,17,18,19,20}

• A U B= {1,7,9,11,13,16,}

• A - B= {1,7,9,11,13,16,}

• A ∩ B= {1,7,9,11,13,16,}

• A - B= {1,7,9,11,12,13,16,17,20}

What is the symbol for the element of a set?

• ∈

• ∉

• E

• e

It is a group or collection of objects.

• Union of sets

• Complement of a set

• Set/Sets

• Intersection of sets

What are the four Set operations?

• Union

  compliment

  subtaction

  Intersection

• Compliment

  Union

  Intersection

  Difference

• Compliment

  Union

  Intersection

  Addition

• Complement

  Union

  Intersection

  Difference