2. Properties of Sets

Which of the following does not represent the empty set?

{0}

Use the list method to write "The perfect square integers between 1 and 80 inclusive".

{1,4,9,16,25,36,49,64}

Use the list method to write "The odd integers between 2 and 15"

{3,5,7,9,11,13}

Which of the following sets is not finite?

{x | x is an integer that is less than 0}

Select the symbol = (equal to) or ≠ (not equal to) to make the expression true. {0} ? { }

≠

Select the symbol = (equal to) or ≠ (not equal to) to make the expression true. {1, 2, 3, 4, 5} ? {whole numbers between 1 and 5 inclusive}

=

Select the symbol = (equal to) or ≠ (not equal to) to make the expression true. {2, 4, 6} ? {6, 4, 2}

=

Given A = {a, b, c} and B = {c, a}, which of the following is true?

B ⊂ A

How many elements are in the ser {whole numbers between 3 and 15}

11

How many elements are in the set {A,B,C}

3

Given that B = {1, 2, 3, 4}, how many subsets have exactly two elements?

6

Given A = {a, b, c}, how many subsets does A have including Ø?

8