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SET THEORY

Authored by AUSTRIANE ARIAS

Mathematics, Education

7th Grade

CCSS covered

Used 90+ times

SET THEORY
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Let A = {3, 6, 9, 12, 15} and B = {4, 8, 12, 16}. Which of the following is true about the two sets?


AB={12}A\cup B=\left\{12\right\}

AB={3, 4, 6, 8, 9, 12, 15, 16}A\cap B=\left\{3,\ 4,\ 6,\ 8,\ 9,\ 12,\ 15,\ 16\right\}

AB={3, 6, 9, 15}A-B=\left\{3,\ 6,\ 9,\ 15\right\}

AB={4, 8, 16}A-B=\left\{4,\ 8,\ 16\right\}

Tags

CCSS.HSS.CP.A.1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The set S = {fever, dry cough, tiredness} list the common symptoms of COVID-19. What is the cardinality of this set?

3

4

5

6

Tags

CCSS.2.OA.C.3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the cardinality of  ϕ\phi  ?

0

1

Empty set

None

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If T = {different types of triangles} and Q = {different type of quadrilaterals}, then which of the following is the most suitable for Universal set?

U = {x | x is a plane figure}

U = { x | x is a shape}

U = { x | x is a polygon}

U = { x | x is a figure}

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Let K be the set of the letters in the sentence 'Keep safe'. How do you write this set correctly using the Roster Method?

K = {k, e, e, p, s, a, f, e}

K = {k, e, p, s, e, f}

K = {k, e, e, p, s, a, f}

K = {k, e, p, s, a, f}

Tags

CCSS.4.OA.C.5

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following cannot be considered a subset of H = {h, e, a, l, t, h, y}?

W = {h, e, a, l, t, h, y}

M = { }

F = {h, e, a, t}

R = {h, e, a, r, t}

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is not an element of the set V = { 3x | x is a counting number from 3 to 9 }

3

9

15

21

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