Intervale

Intervale

8th Grade

6 Qs

quiz-placeholder

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Intervale

Intervale

Assessment

Quiz

Mathematics

8th Grade

Medium

Created by

Lidia Parasca

Used 39+ times

FREE Resource

6 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

      Scrisă sub formă de interval mulțimea A devine?

 A={xR 1x<5}A=\left\{x\in R\ \ldots-1\le x<5\right\}  

[-1;5)

(-1;5]

[-1;5]

(-1;5)

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 A={xR...7x2}A=\left\{x\in R...-7\le x\le2\right\} 
Scrisa sub forma de interval multimea A devine?
 

[-7;2]

[-7;2)

(-7;2)

(-7;2]

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Stabiliti valoarea de adevar a propozitiei:

 2[2;5]-2\in\left[-2;5\right]  

adevarat

fals

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Stabiliti valoarea de adevar a propozitiei:

 5(3;+)5\in\left(-3;+\infty\right)  

adevarat

fals

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Scrisa sub forma de interval multimea A devine?

 {xR...x0}\left\{x\in R...x\ge0\right\}  

 (;0)\left(-\infty;0\right)  

 [0;+)\left[0;+\infty\right)  

 (;0)\left(-\infty;0\right)  

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Scrisa sub forma de interval multimea A devine?

 A={xR...x<5}A=\left\{x\in R...x<5\right\}  

 (;5)\left(-\infty;5\right)  

 (5;+)\left(5;+\infty\right)  

 (;5]\left(-\infty;5\right]