Persamaan dan Pertidaksamaan Logaritma

Persamaan dan Pertidaksamaan Logaritma

12th Grade

10 Qs

quiz-placeholder

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Persamaan dan Pertidaksamaan Logaritma

Persamaan dan Pertidaksamaan Logaritma

Assessment

Quiz

Mathematics

12th Grade

Medium

Created by

Mudrikah Hasanah

Used 75+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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

{2}

{-1}

{1,-2}

{-1,2}

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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

-2

1

2

3

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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

1

2

3

4

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

log (-2a+9)=log(7-4a) tentukan nilai a

-1

0

1

-5

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Penyelesaian pertidaksamaan 3log (x2)>13_{\log\ \left(x-2\right)>1}  adalah ....

 x>5x>5  

 x>2x>2  

 5<x<25<x<-2  

 2<x<5-2<x<5  

 2<x<52<x<5  

6.

MULTIPLE CHOICE QUESTION

3 mins • 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  

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Batas nilai x yang merupakan penyelesaian pertidaksamaan logaritma  2log (x2+2x)<32_{\log\ \left(x^2+2x\right)<3}  adalah .....

 4<x<2   atau  0<x<2-4<x<-2\ \ \ atau\ \ 0<x<2  

 4<x<2  atau  2<x<4-4<x<2\ \ atau\ \ 2<x<4  

 x<4  atau  x>2x<-4\ \ atau\ \ x>2  

 2<x<2-2<x<2  

 4<x<2-4<x<2  

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