Sets Quiz #1

What does this symbol ( ∩ ) represent in set theory?

• Union
• Intersection
• Disjointed
• Subset

Tags

CCSS.HSS.CP.A.1

 $A=\left\{3,\ 6,\ 9,\ 12\right\}$  and  $B=\left\{6,\ 8,\ 9\right\}$  

The intersection of A and B is:

• {3, 6}

• {3, 12}

• {6, 9}

• {9, 12}

• { }

List the elements of $A\cap B$  

• {5,9}

• {2,3,7,6,8}

• {2,3,5,9,7,6,8}

• {1,4}

• { }

Tags

CCSS.HSS.CP.A.1

If A = {1, 3, 5, 7, 9} and B = {2, 3, 5, 7}, what is A ∪ B?

• {3, 5, 7}

• {2, 3, 5, 7}

• {2, 3, 5, 7, 9}

• {1, 2, 3, 5, 7, 9}

• { }

If  $C=\left\{2,\ 5,\ 7,\ 10\right\}\$  and  $B=\left\{even\ whole\ number\ less\ than\ 9\right\}$  , 

Find  $C\cup B$   

• {2,4,6,8,10}

• {2,4,5,6,7,8,10}

• {2, 4, 5, 6, 7, 8, 10}

• { }

If  $C=\left\{2,\ 5,\ 7,\ 10\right\}$  and  $B=\left\{even\ whole\ numbers\ less\ than\ 9\right\}$  

Find  $C\cap B$  

• {2,4,6,8,10}

• {2,4,5,6,7,8,10}

• {2, 3, 4, 5, 6, 7, 8}

• { 2}

• { }

Tags

CCSS.HSS.CP.A.1

If Set A = {MICHAEL} and Set B = {JORDAN}, what is A ⋃ B?

• {MICHAELJORDAN}

• {MICHAELJORDN}

• {A}

• { }

Tags

CCSS.HSS.CP.A.1

Set A and Set B have no elements in common, so set A and set B will be _______ set.

• disjoint

• joint

• universal

• reciprocal

Given:

U = { 1, 2, 3, 4, 5}

A = { 1, 2, 3 }

what is the complement of set A?

• A' = { 1,2,3,4,5}

• A' = { 1,2,3,}

• A' = { 4,5}

• A' = { }

Given:

U = { 1, 2, 3, 4, 5}

A = { 1, 2, 3 }

B = { 1, 3, 4 }

What is the (AUB)' ?

• ( A U B )’ = {1,2,3,4}

• ( A U B )’ = {1,2}

• ( A U B )’ = {3,4}

• ( A U B )’ = {5}

• ( A ⋃ B)' = ∅

Tags

CCSS.HSS.CP.A.1