{x: x is a real number between 1 and 2} is a/an

Infinite set

Finite set

Empty set

None of the above

{x: x is an integer that is neither positive nor negative} is a/an

Empty set

Non-empty set

Finite set

Non-empty and finite set

Which of the following expresses the set {1, 5, 15, 25,…} in set-builder form.

{x: either x=1 or x=5n, where n is a real number}

{x: either x=1 or x=5n, where n is a integer}

{x: either x=1 or x=5n, where n is an odd natural number}

{x: x=5n, where n is a natural number}

Which of the following expresses {x: x= n/ (n+1), n is a natural number less than 7} in roster form?

{1⁄2, 2⁄3, 4⁄5, 6⁄7}

{1⁄2, 2⁄3, 3⁄4, 4⁄5, 5⁄6, 6⁄7, 7⁄8}

{1⁄2, 2⁄3, 3⁄4, 4⁄5, 5⁄6, 6⁄7}

Infinite set

Which of the following is a subset of the set {1, 2, 3, 4}?

{1, 2}

{1, 2, 3}

{1}

All of the above

3

4

2

5

Which of the following is true for A = {∅, {∅}, 2, {2, ∅}, 3}?

{{∅,{∅}} ∈ A

{2} ∈ A

∅ ⊂ A

3 ⊂ A

Which of the following is a subset of the set A = { }?

A

{}

∅

All of the above

Which of the following expresses {x: x is a positive prime number which divides 72} in roster form?

{2, 3, 5}

{2, 3, 6}

{2, 3}

{∅}

The union of the sets {1, 2, 5} and {1, 2, 6} is the set

{1, 2, 6, 1}

{1, 2, 5, 6}

{1, 2, 1, 2}

{1, 5, 6, 3}

The intersection of the sets {1, 2, 5} and {1, 2, 6} is the set

{1, 2}

{5, 6}

{2, 5}

{1, 6}

Two sets are called disjoint if their __ results in an empty set.

Union

Difference

Intersection

Complement

{x: x ∈ N and x is prime} is a/an

Infinite set

Finite set

Empty set

Not a set

The difference of {1, 2, 3} and {1, 2, 5} is the set

{1}

{5}

{3}

{2}

Which of the following set pairs is disjoint?

{1, 3, 5} and {1, 3, 6}

{1, 2, 3} and {1, 2, 3}

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

{1, 3, 5} and {2, 4, 6}

Quiz/Test Summary

Title:
Basic Structures: Sets, Functions, Sequences, Sums and Matrices

Questions:
15

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