2.2 Subsets CW

If U = {1, 3, 5, 7, 9, 11, 13}, then which of the following are subsets of U?

• B = {2, 4}

• C = {1, 9, 5, 13}

• F = {2, 3, 4, 5}

• D = {5, 11, 1, 2}

Let A = {2, 3, 4, 5, 6, 7}

B = {2, 4, 7, 8)

C = {2, 4}.

Which of the following mathematical statements is true?

• B ⊂ C

• A ⊂ C

• C ⊂ A

• A ⊂ B

Tags

CCSS.HSS.CP.A.1

Give me an example of the subset of

A = { car, airplane. train}.

• {boat}

• {motorbike, car}

• {car, train}

• {bicycle, train}

If every element in set A is also in set B, then...

• A is a subset of B
• B is a subset of A
• A = B
• A and B are disjoint

Tags

CCSS.HSS.CP.A.1

Every set has _____ as one of its subsets. (Select all that apply.)

• ∅

• 0

• itself

• the real numbers

How many subsets will this set have? A= {a, b, c} ?

• 8

• 6

• 3

• 0

Tags

CCSS.HSS.CP.B.9

Which of the following means proper subset?

•  $\subset$  

•  $\subseteq$  

•  $\in$  

• =

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

• ∅

•  $\subset$  

•  $\in$  

•  $\not\subset$  

Which of the following means any subset?

•  $\subset$  

•  $\subseteq$  

•  $\in$  

• =

A set has 9 elements. How many subsets does it have?  (Do not give an answer with an exponent.)