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Fgs Logaritma A5

Authored by Tatho Muryanto

Mathematics

10th Grade

Used 7+ times

Fgs Logaritma A5
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15 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Nilai x yang memenuhi persamaan

2log x + 2log (x-2) = 3 adalah ...

x = 2

x = 4

x = 6

x = -2

x = -4

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Nilai x yang memenuhi pertidaksamaan

1/2 log ( 2x - 5 ) ≤ 1/2 log 16 adalah ...

x > 21/2

x ≤ 17/2

x ≥ 17/2

x ≥ 21/2

x ≤ 21/2

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

pH suatu larutan diberikan oleh pH = - log [H+] dengan [H+] adalah konsentrasi ion hidrogen (dalam mol/L). Berdasarkan informasi tersebut, pH larutan yang memiliki [H+] = 10-9 adalah ....

5

9

14

-5

-9

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 log (x2+2x+1)log(4x+9) adalah ....\log\ \left(x^2+2x+1\right)\ge\log\left(4x+9\right)\ adalah\ ....  Himpunan penyelesaian nya adalah ...

 94<x<2 atau  x >4-\frac{9}{4}<x<-2\ atau\ \ x\ >4  

 ..   94 <x 2   atau   x 5-\frac{9}{4}\ <x\ \le-2\ \ \ atau\ \ \ x\ \ge5  

 94<x2  atau  x 4-\frac{9}{4}<x\le-2\ \ atau\ \ x\ \ge4  

 3<x<43<x<4  

 2<x42<x\le4  

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt


Nilai x yang memenuhi pertidaksamaan logaritma 
  12log(2x5)  12log16 \ ^{\frac{1}{2}}\log\left(2x-5\right)\ \le\ ^{\frac{1}{2}}\log16\   

adalah....


 x>212x>\frac{21}{2}  

 x172x\le\frac{17}{2} 

 x172x\ge\frac{17}{2}  

 x212x\ge\frac{21}{2}  

 x212x\le\frac{21}{2}  

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Persamaan grafik fungsi di atas adalah ...

y=2log xy=^2\log\ x

y= 1 2log xy=^{\frac{\ 1\ }{\ 2}}\log\ x

y=2log(x3)y=^2\log\left(x-3\right)

y=2log(x)3y=^2\log\left(x\right)-3

y=2log(x+3)y=^2\log\left(x+3\right)

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt


Nilai x yang memenuhi pertidaksamaan logaritma
 5log(x+2)+5log(x2)1^5\log\left(x+2\right)+^5\log\left(x-2\right)\le1  
 adalah....

 x2x\ge2  

 x3x\ge3  

 2<x32<x\le3  

 2x3-2\le x\le3  

 2  x  2-2\ \le\ x\ \le\ 2  

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