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Log nevienādības

Authored by Ineta Dišlere

Mathematics

12th Grade

Used 10+ times

Log nevienādības
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14 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Noteikt bāzes 𝑎 pieļaujamās vērtības nevienādībai log𝑎 4 < log𝑎 8

0<a<10<a<1

a>1a>1

a≥0a\ge0

a≤1a\le1

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 log⁡0.2x>−2  atrisin⁡aˉjums ir \log_{0.2}x>-2\ \ atri\sinājums\ ir\   

 x∈(0; 25)x\in\left(0;\ 25\right)  

 x∈(0.4; ∞)x\in\left(0.4;\ \infty\right)  

 x∈(25; +∞)x\in\left(25;\ +\infty\right)  

 x∈(−∞; 25)x\in\left(-\infty;\ 25\right)  

3.

MULTIPLE SELECT QUESTION

3 mins • 1 pt

 x∈(1 ; 6)x\in\left(1\ ;\ 6\right)  ir kuras nevienādības atrisinājums

 log⁡5(x−1)<1\log_5\left(x-1\right)<1  

 log⁡4(x−6)<log⁡42x\log_4\left(x-6\right)<\log_42x  

 log⁡6(x−1)<0\log_6\left(x-1\right)<0  

 log⁡8(x+2)>1\log_8\left(x+2\right)>1  

4.

MULTIPLE SELECT QUESTION

1 min • 1 pt

 log⁡0.1x>log⁡0.12\log_{0.1}x>\log_{0.1}2  pārveidojot par algebrisko nevienādību iegūst

 x>2x>2  

 x<2x<2  

 x>0x>0  

 x<0.1x<0.1  

5.

FILL IN THE BLANKS QUESTION

3 mins • 1 pt

 log⁡2x<2\log_2x<2  atrisinājuma mazākais veselais skaitlis ir

(a)  

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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7.

FILL IN THE BLANKS QUESTION

15 mins • 1 pt

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Atrisinājuma mazākais un lielākais veselais skaitlis ?

(a)  

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