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8 kl. Skaičių intervalai

Authored by Sigita Andraitienė

Mathematics

8th Grade

Used 77+ times

8 kl. Skaičių intervalai
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11 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Nelygybę

 x<3x<-3  pakeiskite intervalu

 (; 3)\left(-\infty;\ -3\right)  

 (3; +)\left(-3;\ +\infty\right)  

 (; 3]\left(-\infty;\ 3\right]  

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Intervalą

 [7,6; +)\left[7,6;\ +\infty\right)  pakeiskite nelygybe

 x7,6x\ge7,6  

 x<7,6x<7,6  

 x>7,6x>7,6  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Visi šie sveikieji skaičiai -2; -1; 0 yra kurios nelygybės sprendiniai?

2x<1-2\le x<1

2<x1-2<x\le1

x>2x>-2

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Nelygybę pakeiskite intervalu.

 x>11,6x>11,6  

 (11,6; +)\left(11,6;\ +\infty\right)  

 (; 11,6)\left(-\infty;\ 11,6\right)  

 [11,6;+)\left[11,6;+\infty\right)  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Intervalui

 (5,6; 1,2)\left(-5,6;\ -1,2\right)  priklausantys visi natūralieji skaičiai yra...

 5; 4; 3; 2-5;\ -4;\ -3;\ -2  

 6; 5; 4; 3; 2-6;\ -5;\ -4;\ -3;\ -2  

 5; 4; 3; 2; 1-5;\ -4;\ -3;\ -2;\ -1  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Nelygybę

 9x<28-9\le x<28  pakeiskite intervalu

 [9; 28)\left[-9;\ 28\right)  

 (9; 28]\left(-9;\ 28\right]  

 [9; 28]\left[-9;\ 28\right]  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 Nelygybę 1x99 Nelygybę\ 1\le x\le99\   pakeiskit intervalu

 [1; 99]\left[1;\ 99\right]  

 (1; 99)\left(1;\ 99\right)  

 (1; 99]\left(1;\ 99\right]  

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