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Introduction to set 2

Authored by Kokming Lee

Mathematics

9th - 12th Grade

Used 1+ times

Introduction to set 2
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11 questions

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1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

This set {1,2,3} is equal to ___
Select all correct options.

{3,2,1}

{1,2}

{3,1,2}

{2,3,3}

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A={prime number less than 6} is equal to ___

{1,2,3,5}

{2,3,5}

{1,3,5}

{1,2,3}

3.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

A={rational numbers greater than 12}
B={13, 14, 15, ...}
Choose all correct options.

A is equal to B

A is not equal to B

B is a subset of A

A is a subset of B

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Explain why 2 ∈{2,3,5} is true.

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

{2} ⊆ { -1, 0, 1, 2}.
Choose all correct options.

The set 2 is a subset of {-1, 0, 1, 2}

{-1, 0, 1, 2} is a subset of {2}.

{2 } is not equal to {-1, 0, 1, 2}

2 is an element of {-1, 0, 1, 2}

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

{3} ∈ {-4, 3, 9}
Choose all correct options.

The above state in false because there should not be bracket for an element.

The above statement is true because 3 is an element of {-4, 3, 9}

The above statement is true because set {3} is a subset of {-4, 3, 9}

The above state in false because instead of ∈, we should have ⊆.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

3 ∈ { 10, 20, 30} '

The statement is true.

The statement is false.

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