Basic Set Concepts

Which of the following is the symbol for an empty set?

• ∅

• ⊂

• ∈

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

• Cardinality of Set

• Empty (or Null) Set

• Subset

The elements of a set are separated by a

• equal

• comma

• semi colon

What is the cardinality of the set, H = {w, o, n, d, e, r, f, u, l}? Only type the number

Tags

CCSS.1.NBT.A.1

The name of set is denoted by

• uppercase letters

• lowercase letters

Which among the following set is written in roster form if set A contains the elements of even whole numbers less than 10?

• A = {1, 3, 5, 7, 9}

• A = {2, 4, 6, 8}

• A = {x/x is an even number less than 10}

• A = {x/x is an even number}

Which among the following set is written in rule form if set B contains the elements of vowels in the alphabet?

• B = {x/x is a vowel in the alphabet} 

• B = {a, e, i, o, u}

• B = {v, o, w, e, l}

• B = {x/x is a consonant in the alphabet}

When are two sets equivalent?

• two sets have the same cardinality

• two sets have common element

• two sets are infinite sets

• two sets are finite sets

When are two sets equal?

• two sets have the same cardinality

• two sets have the same elements

• two sets are finite sets

• two sets are infinite sets

What is the cardinality of set C = {colors of the rainbow}?

• 1

• 7

• 6

• 9