Sets

Set Q contains the letters in the word SISTER .

Which of the following is set Q ?

• Q = { S, T, R }

• Q = { I, E }

• Q = { S, I, S, T, E, R }

• Q = { S, I, T, E, R }

Answer explanation

Elements in a set should NEVER appear more than once.

Which of the following is the symbol for null set?

• ∅

•  $\subset$  

•  $\in$  

•  $\not\subset$  

Which of the following is the symbol for "element of"?

• ∅

•  $\subset$  

•  $\in$  

•  $\not\subset$  

List the elements of A

• {2,3}

• {2,3,5,9}

• {1,2,3,4,5}

• {5,9}

Tags

CCSS.HSS.CP.A.1

List the elements of A Ո B

• {5,9}

• {2,3,7,6,8}

• {2,3,5,9,7,6,8}

• {1,4}

Tags

CCSS.HSS.CP.A.1

For the given sets A and B, which statement is true?

• $A\subset B$

• $B\subset A$

• $A=B$
  

• $A=$ ∅
  

Answer explanation

$\subset$ is the Set Notation for SUBSET

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

• #(H) = 10

• #(H) = 9

• #(H) = 8

• #(H) = 7

Answer explanation

# is the Set Notation for CARDINAL NUMBER

Which of the following is NOT an element of the set of colors of the rainbow ®?

• Red $\notin$ R

• Orange $\notin$ R

• Indigo $\notin$ R

• Pink $\notin$ R

Set C is the set of natural numbers less than 9. Which of these is correct?

• C = {1, 2, 3, 4, 5, 6, 7, 8, 9}

• C = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}

• C = {1, 2, 3, 4, 5, 6, 7, 8}

• C = {0, 1, 2, 3, 4, 5, 6, 7, 8}

Answer explanation

0 is NOT a natural number,

less than 9 does NOT include 9

Identify the shaded area...

• A

• B

• A'

• B'

Tags

CCSS.6.G.A.1