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9th Grade

14 Qs

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Assessment

Quiz

Mathematics

9th Grade

Hard

Created by

Renata Powroźnik

Used 31+ times

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14 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Wartość wyrażenia  4log254^{\log_25}  wynosi

5

10

25

 5\sqrt{5}  

2.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Liczba  log2(log20+log5)\log_2\left(\log20+\log5\right)  jest równa:

5

2

1

0

3.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Wiadomo, że  a=3log84a=3\log_84  , zatem    aa   jest równe:

512

81

2

64

4.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

 2log52+log532\log_52+\log_53  Wartość tego  wyrażenia jest równa:

 log5(4+3)\log_5\left(4+3\right)  

 log512\log_512  

 log2512\log_{25}12  

 2log562\log_56  

5.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Media Image

Wartość podanego wyrażenia jest równa

 (log464 +log216)1\left(\log_464\ +\log_216\right)^{-1}  

 12log32128\frac{1}{2}\cdot\log_{32}128  

 7\sqrt{7}  

 72\frac{\sqrt{7}}{2}  

6.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Wartość wyrażenia       36log⁡64+7log⁡71636^{\log_64}+7^{\log_716}    wynosi

43

24

20

32

7.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

 Jeżeli  log2 =a\log2\ =a   log3=b\log3=b   , to     log6\log6     jest równy:

 abab  

 a+ba+b  

 aba-b  

 ab\frac{a}{b}  

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