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Persamaan Logaritma

Authored by tsani rien

Mathematics

10th Grade

Used 516+ times

Persamaan Logaritma
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10 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

nilai x yang memenuhi persamaan

 2log  (x21) =3^2\log\ \ \left(x^2-1\right)\ =3   adalah 

- 3 dan  3

3

2

-2 dan 2

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Himpunan penyelesaian dari

  6log (x23x4)=1\ ^6\log\ \left(x^2-3x-4\right)=1  

 {5}\left\{5\right\}  

 {2, 5}\left\{-2,\ 5\right\}  

 {1 , 6}\left\{-1\ ,\ 6\right\}  

 {6}\left\{6\right\}  

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Himpunan penyelesaian dari persamaan

 log(x  1)+log (x2) = log (2x+8)\log\left(x\ -\ 1\right)+\log\ \left(x-2\right)\ =\ \log\ \left(2x+8\right)  

 {4, 2}\left\{-4,\ 2\right\}  

 {1, 2}\left\{1,\ 2\right\}  

 {1, 6}\left\{-1,\ 6\right\}  

 {6}\left\{6\right\}  

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

penyelesaian untuk persamaan

 2log (x+1)2log (x2)=2log (x3)^2\log\ \left(x+1\right)-^2\log\ \left(x-2\right)=^2\log\ \left(x-3\right)  

x =  1 dan x = 5

x = 2 dan x = 3

x = 3

x = 5

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

nilai x yang memenuhi persamaan

 log (x2x2)= log(x +6 )\log\ \left(x^2-x-2\right)=\ \log\left(x\ +6\ \right)   adalah 

x = 4 dan x = - 2

x = 4

x = 2 dan x = - 1

x = 2

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

penyelesaian untuk persamaan

 2log (x+1)=2log (x25x+6)^2\log\ \left(x+1\right)=^2\log\ \left(x^2-5x+6\right)  adalah...

x =  1 dan x = 5

x = 2 dan x = 3

x = 3

x = 5

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

himpunan Penyelesaian dari

 25log(x2+2x3)=12^{25}\log\left(x^2+2x-3\right)=\frac{1}{2}    adalah ...

 {3}\left\{3\right\}  

 {2}\left\{2\right\}  

 {3,1}\left\{-3,1\right\}  

 {4, 2}\left\{-4,\ 2\right\}  

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