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PERSAMAAN DAN PERTIDAKSAMAAN LOGARITMA

Authored by 39J Krisnawati Purnamasari

Mathematics

12th Grade

Used 9+ times

PERSAMAAN DAN PERTIDAKSAMAAN LOGARITMA
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

7log x2 = 7log (x+2), maka himpunan penyelesaiannya adalah

{2}

{-1}

{1,-2}

{-1,2}

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

2log (2x+1)=2log 3, berapakah nilai x?

-2

1

2

3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tentukan nilai x pada persamaan 6log x2=6log (4x-4)

1

2

3

4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 2log(2x+7)>2^2\log\left(2x+7\right)>2  
Nilai x yang memenuhi pertidaksamaan tersebut adalah....

 x>72x>-\frac{7}{2}  

 x>32x>-\frac{3}{2}  

 72<x<32-\frac{7}{2}<x<-\frac{3}{2}  

 32<x<0-\frac{3}{2}<x<0  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  6log(5x7)<6log(2x+5)\ ^6\log\left(5x-7\right)<^6\log\left(2x+5\right)  Batas-batas nilai x yang memenuhi adalah ....

-5/2 < x < 4

x > -5/2

7/5 < x < 4

x < -5/2 atau x > 4

x < 7/5 atau x > 4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  7log(2x 3)1\ ^7\log\left(2x\ -3\right)\ge1  Nilai x yang memenuhi pertidaksamaan adalah ....

 x5x\le5  

 x5x\ge5  

x > 3/2

x < 3/2

 32<x5\frac{3}{2}<x\le5  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt


Jika diketahui
 2log 18=p^2\log\ \frac{1}{8}=p , maka nilai  p =.... 

-3

-2

-1

0

1

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