1st Year Maths - Sets

Set A = {1,2,3,4,5}
Set B = {2,4,6,8}
What is A $A\ \cap\ B$  

• {1,2,3,4,5,6,8}

• 2,4

• {2,4}

• { }

Set A = {1,2,3,4,5}
Set B = {2,4,6,8}
What is A $A\ \cup\ B$  

• {1,2,3,4,5,6,8}

• {1,2,2,3,4,4,5,6,8}

• {2,4}

• { }

What are the elements of Set 1

• {a,b,c,d,e}

• {b,c,d}

• {a,e}

• {a,b,c,d,e,i,o,u}

What does the # symbol mean when talking about sets?

• Union

• Intersection

• Universal

• Cardinal Number

What does a subset mean?

• Everything in both sets

• What is common in both sets

• That the elements of one set are all in another set

• That it is an empty set

Tags

CCSS.HSS.CP.A.1

What is the symbol for not and element

• $\subset$

• $\notin$

• $\in$

• $\not\subset$

What is the null set?

• It only has one element in it

• It is an empty set

• It is the intersection of 2 sets

• It is not a subset of any other set

Tags

CCSS.HSS.CP.A.1

What is the answer to 
Set 1  $\cap$  Set 2

• {a,b,c,d,e}

• {b,c,d}

• {a,e}

• {a,b,c,d,e,i,o,u}

Tags

CCSS.6.EE.B.5

What is the answer to
Set 1  $\cup$  Set 2

• {a,b,c,d,e}

• {b,c,d}

• {a,e}

• {a,b,c,d,e,i,o,u}

What is in the universal set in this problem

• {1,2,3,4,5,6,8}

• {2,4}

• {1,2,3,4,5,6,7,8}

• {7}