Subsets

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

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

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 sets has 4 elements?

• A = { x/x is an odd number }

• B = { x/x is a vowel }

• C = {x/x is an even number between 1 and 9}

• D = {x/x is an even number from 2 to 10}

What is wrong with the set listed below?

D = {m, a, t, h, e, m, a, t, i, c, s}

• It is not written in roster notation.

• A capital letter is used to represent this set.

• The objects in this set are not unique.

• Nothing is wrong with this set

Tags

CCSS.7.EE.B.3

If A = { x/x is a vowel }

and B = { 1, 2, 3, 4, 5}

Which of the following statements is true?

• A = B

• n(A) = B

• A = n(B)

• n(A) = n(B)

Which of the following statements is correct?

• All equal sets are equivalent sets.

• All equivalent sets are equal sets.

• All sets are equal.

• All sets are equivalent.

What is correct symbol for empty set?

• {0}

• $\left\{\phi\right\}$

• $\infty$

• $\phi$