Sets Review

Sets Review

Let's get ready for that quiz!

Multiple Choice

What is a set?

• The word between ready and go

• A collection of items

• A word that calls marching bands to attention

• Somewhere a movie takes place

Multiple Choice

What is an item in a set called?

• element

• item

• thing

• prop

Multiple Select

Which of these do you need for set notation? (check all that apply)

• [ ]

• =

• capital letter

• student's name

• { }

Multiple Choice

What is the correct Notation for Set G, elements: Maria, Maria, Sintia, Kimberly, Katie?

• G = {Maria Maria Sintia Kimberly Katie}

• G = Maria, Maria, Sintia, Kimberly Katie

• G{Maria, Maria, Sintia, Kimberly, Katie}

• G = {Maria, Katie, Maria, Kimberly, Sintia}

Multiple Choice

What is the correct set for this set notation? B = {-9, -8, -7, -6, -5, -4}

• Set B, integers between -9 and -4, exclusive

• Set B, integers between -9 and -4, inclusive

• Set B, whole numbers between -9 and -4, exclusive

• Set B, whole numbers between -9 and -4, inclusive

Multiple Choice

What is the correct set notation for Set A, natural numbers between 8 and 10, exclusive?

• A = {9}

• A = {8, 9, 10}

Fill in the Blanks

What do we call a set where the elements are clearly decided? It is easy to know if something is in the set or not.

Multiple Select

Which 2 sets are not well-defined?

• the set of small numbers

• the set of students in 1S/L math

• the set of Catholic Saints

• the set of bad ice cream flavors

Multiple Choice

What does n(L) = 5 mean?

• 5 is not an element of L

• n times L = 5

• There are 5 elements in set L

• 5 is an element of L

Multiple Choice

What does this mean?

 $hurricane\in D$  

• There are hurricane number of elements in set D

• Hurricane is not an element of D

• Hurricane is contained in the set D

Multiple Choice

What does this mean?

 $-9385\ \notin X$  

• -9385 is not in X

• There are -9385 elements in set X

• -9385 is an element of X

Multiple Choice

What type of set has by definition an uncountable number of elements?

• well-defined set

• infinite set

• equivalent set

• finite set

Multiple Choice

What is the opposite of an infinite set?

• well-defined set

• equivalent set

• finite set

• there is no opposite

Multiple Choice

Is the set of hairs on your head infinite or finite?

• Infinte

• Finite

Multiple Choice

Is the set of rational numbers between -5 and -4 infinite or finite?

• Infinite

• Finite

Multiple Select

Which of these sets are finite?

• prime numbers

• factors of 12

• whole numbers less than 425

• integers less than 425

• multiples of 7

Poll

How are we feeling about sets?

Open Ended

What is the hardest part of sets so far?