Логарифмы!

Логарифмы!

Professional Development

8 Qs

quiz-placeholder

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Assessment

Quiz

Mathematics

Professional Development

Hard

Created by

Ирина Скуртул

Used 19+ times

FREE Resource

8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 log0,3x=2\log_{0,3}x=-2  

10

100

0,1

- 10

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 logx8=3\log_{\sqrt{x}}8=3  

4

2

0,5

-0,5

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 ln128ln4\frac{\ln128}{\ln4}  

3,5

ln32

ln124

32

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 log8(log4(log216))\log_8\left(\log_4\left(\log_216\right)\right)  

0

1

4

8

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 log327log31log34,5+log3(23)\frac{\log_327-\log_31}{\log_34,5+\log_3\left(\frac{2}{3}\right)}  

2/3

1

3

2

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 log315log3(59)+log3(181)\log_315-\log_3\left(\frac{5}{9}\right)+\log_3\left(\frac{1}{81}\right)  

7

-2

-1

1

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 log7(17)+3log37\log_{\sqrt{7}}\left(\frac{1}{7}\right)+3^{\log_{\sqrt{3}}7}  

45

49

47

49- 7\sqrt{7}  

8.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 (810,2512log24+25log1258)×49log72\left(81^{0,25}-\frac{1}{2}\log_24+25^{\log_{125}8}\right)\times49^{\log_72}  

-12

24

0

8