Intervale si multimi de numere

Intervale si multimi de numere

7th Grade

20 Qs

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Intervale si multimi de numere

Intervale si multimi de numere

Assessment

Quiz

Mathematics

7th Grade

Practice Problem

Hard

Created by

Colonel Ionut

Used 12+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

2 se regaseste in intervalul [2;5)

Adevarat

Fals

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Multimea numerelor naturale din intervalul (2, 4] este:

{2,3,4}\left\{2,3,4\right\}

ϕ\phi

{2,3}\left\{2,3\right\}

{3,4}\left\{3,4\right\}

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Multimea

 A={xR  2x5}A=\left\{x\in R\ \parallel\ 2\le x\le5\right\}  scrisa sub forma de interval este:

 [2;5]\left[2;5\right]  

 (2;5)\left(2;5\right)  

 [2;5)\left[2;5\right)  

 (2;5]\left(2;5\right]  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 {1;2;3}{4;5;6}\left\{1;2;3\right\}\cup\left\{4;5;6\right\}  

 ϕ\phi  

 {1;2;3;4;5;6}\left\{1;2;3;4;5;6\right\}  

 {1;2;3}\left\{1;2;3\right\}  

 {4;5;6}\left\{4;5;6\right\}  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Intervalul  (2;9)\left(2;9\right)  scris sub forma de multime este:

 {xR 2x<9}\left\{x\in R\parallel\ 2\le x<9\right\}  

 {xR 2>x<9}\left\{x\in R\ \parallel2>x<9\right\}  

 {xR  2<x<9}\left\{x\in R\ \parallel\ 2<x<9\right\}  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Reuniunea a doua multimi reprezinta

Scrierea tuturor elementelor celor doua multimi o singura data

Scrierea elementelor comune celor doua multimi

Scrierea elementelor ce se gasesc in prima multime dar nu se gasesc in a doua

Nicio varianta

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Intersectia a doua multimi reprezinta

Scrierea elementelor care se gasesc in ambele multimi

Scrierea elementelor necomune celor doua multimi

Scrierea tuturor elementelor celor doua multimi

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