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Intervaly

Authored by Lenka Hlinšťáková

Mathematics

10th - 12th Grade

Used 10+ times

Intervaly
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7 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 M1  = {x ϵ R; 2 x5}M_1\ \ =\ \left\{x\ \epsilon\ R;\ 2\ \le x\le5\right\}  

 M1 =(2; 5)M_{1\ }=\left(2;\ 5\right)  

 M1 =<2;5>M_1\ =<2;5>  

není interval

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

 M2={xϵ R; x 3}M_2=\left\{x\epsilon\ R;\ \left|x\right|\ \ge3\right\}  Vyberte odpovídající obrázek

Media Image
Media Image
Media Image

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Sjednocení intervalů :

( ; 7)\left(\ -\infty\ ;\ 7\right)

Sjednocení intervalů :(- ∞; 7>

Sjednocení intervalů :< -2 ; 7 )

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Průnik intervalů

(; 7)\left(-\infty;\ 7\right)

< -2 ; 5 >

< -2 ; 7)

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 A = ( ; 8) <3 ; 5>A\ =\ \left(-\ \infty;\ 8\right)\ \cup<3\ ;\ 5>  

 A =<3 ; 5>A\ =<3\ ;\ 5>  

A = R

 A = ( ; 8)A\ =\ \left(-\ \infty;\ 8\right)  

6.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Vypočítejte a zapište výsledek


|-3 + 6| - 7

(a)  

7.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Vypočítejte a zapište výsledek

||- 7 - 8 | - 9 . (-3)| =

(a)  

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