Logaritmi I

Logaritmi I

10th Grade

7 Qs

quiz-placeholder

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Logaritmi I

Logaritmi I

Assessment

Quiz

Mathematics

10th Grade

Hard

Created by

Maria Laura Popa

Used 12+ times

FREE Resource

7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 Valorile lui x pentru care logx(x23x+2) are sens aparțin intervalului:Valorile\ lui\ x\ pentru\ care\ \log_x\left(x^2-3x+2\right)\ are\ sens\ aparțin\ intervalului:  

 (,1)(2,+)\left(-\infty,1\right)\cup\left(2,+\infty\right)  

 (0,2)\left(0,2\right)  

 (0,1)(2,+)\left(0,1\right)\cup\left(2,+\infty\right)  

 (0,+)\left(0,+\infty\right)  

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 log25  315\log_{25}\ \ ^3\sqrt{\frac{1}{5}}  

 33  

 16-\frac{1}{6}  

 16\frac{1}{6}  

 11  

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 43log42=4^{3\cdot\log_42}= 

8

2

3

4

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 (1+log35)log153 log53log35 = \left(1+\log_35\right)\cdot\log_{15}3\ \cdot\log_53\cdot\log_{\sqrt{3}}5\ =\   

2

1

 2 lg 32\ \lg\ 3  

 log53\log_53  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 lg 5 + lg 25  3lg 5 =\lg\ 5\ +\ \lg\ 25\ -\ 3\cdot\lg\ 5\ =  

1

lg 25

lg 5

0

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 3log25 5log23 = 3^{\log_25}\ -5^{\log_23}\ =\   

 log35\log_35  

3

0

2

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 log22+6log4 62+2+52log2 522 =\log_2\sqrt{2}+6\cdot\log_4\ ^6\sqrt{2+\sqrt{2}}+\frac{5}{2}\log_2\ ^5\sqrt{2-\sqrt{2}}\ =  

 2\sqrt{2}  

0

 log26\log_26  

1