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Soal U. H Logaritma, Persamaan dan Pertidaksamaan Logaritma

Authored by titin nurhayatin

Mathematics, Education

KG

CCSS covered

Used 43+ times

Soal U. H Logaritma, Persamaan dan Pertidaksamaan Logaritma
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10 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Apabila 7log 2 = a dan 2log 3 = b, maka 6log 98 adalah . . .

aa + b\frac{a}{a\ +\ b}

a + 2b + 1\frac{a\ +\ 2}{b\ +\ 1}

a + 2a (b + 1)\frac{a\ +\ 2}{a\ \left(b\ +\ 1\right)}

a + 1b + 2\frac{a\ +\ 1}{b\ +\ 2}

a + 2b (a + 1)\frac{a\ +\ 2}{b\ \left(a\ +\ 1\right)}

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 alog 1 b. blog 1c2. clog 1a3 = . . .a_{\log\ \frac{1\ }{b}}.\ b_{\log\ \frac{1}{c^2}}.\ c_{\log\ \frac{1}{a^3}}\ =\ .\ .\ .  

-6

6

 ba2c\frac{b}{a^2c}  

 a2cb\frac{a^2c}{b}  

 16\frac{-1}{6}  

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 Nilai x dari (3x + 2)log 27 = 5log 3 adalah . . .Nilai\ x\ dari\ \left(3x\ +\ 2\right)_{\log\ 27\ }=\ 5_{\log\ 3\ adalah\ .\ .\ .}  

42

41

39

 7 237\ \frac{2}{3}  

 7 137\ \frac{1}{3}  

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 Tentukan hp dari 2log(x  3)+2log (x 2)=1Tentukan\ hp\ dari\ 2_{\log\left(x\ -\ 3\right)}+2_{\log\ \left(x\ -2\right)}=1  

4

3

2

1

0

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

3 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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