sets

P={a, b, c, d, e, f, g, h, i, j, k, l,m}

• Roster Form

• Universal Form

• Set Builder Notation

• Equivalent Inequalities

What type of set is denoted as either { } or ∅?

• Superset

• Empty (or Null) Set

• Disjointed Set

• Subset

Find n(A) when
A = {14, 16, 18, 20, 22, 24}

• 6
• 12
• 4
• 8

If set A equals the people in your class and set B equals the people in your class who wear glasses. What is meant by A∩B?

• All the people in your class.

• The people in your class who wear glasses.

• The people in your class who do not wear glasses.

If set A equals the people in your class and set B equals the people in your class who wear glasses. What is meant by A∪B?

• All the people in your class.

• The people in your class who wear glasses.

• The people in your class who do not wear glasses.

The _________ of sets is the set of all the members of both sets without repeating any of the members in the sets.

• Intersection

• Universal set

• Union

• Empty Set

P={odd numbers under 10}
Q={prime numbers under 10}
List P∪Q

• {1,2,3,5,7,9}
• {3,5,7}
• {1,2,3,4,5,6,7,8,9}
• {2}

A = {1,2,3,4,5,6} and B = {2,4,6} Which of the following represent A U B?

• {3,4,6}

• {1,2,3,4,5,6}

• {2,4,6}

R = {bread, yam, rice, food} S={yam, dumplin, sugar, rice} R U S=_______________

• {bread, yam, rice, food, sugar, chicken}

• {yam, rice}

• {bread, yam, rice, food, yam, dumplin, sugar, rice}

• {bread, yam, rice, food, dumplin, sugar}

A = {1,2,3} and B = {4,5,6} then A n B = ______?

• {}

• Prime numbers

• Universal set