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Ujian Sekolah Peminatan Matematika 2020

Authored by Risti Khoirunnisa

Other, Mathematics

12th Grade

Used 14+ times

Ujian Sekolah Peminatan Matematika 2020
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40 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Nilai dari 2 log 4 + 2 log 8 - 2 log 16 - 2 log 64 = ...

5

4

-4

-5

-7

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Bentuk sederhana dari 
 (4a2b46a3b5)3\left(\frac{4a^2b^{-4}}{6a^{-3}b^{-5}}\right)^{-3}  adalah ...

 89a8b3\frac{8}{9a^8b^3}  

 827a15b3\frac{8}{27a^{15}b^3}  

 98a8b3\frac{9}{8a^8b^3}  

 278a3b3\frac{27}{8a^3b^3}  

 278a15b3\frac{27}{8a^{15}b^3}  

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Hasil dari 
 45+24520405\sqrt{45}+\sqrt{245}-\sqrt{20}-\sqrt{405}  adalah ...

 353\sqrt{5}  

 252\sqrt{5}  

 5\sqrt{5}  

 5-\sqrt{5}  

 25-2\sqrt{5}  

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Nilai x yang memenuhi persamaan 
 33x1=9x+23^{3x-1}=9^{x+2}  adalah ...

3

4

5

6

7

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Penyelesaian pertidaksamaan  (14)x2+4x2<(14)x2+2x+4\left(\frac{1}{4}\right)^{x^2+4x-2}<\left(\frac{1}{4}\right)^{x^2+2x+4}  adalah ...

 x<1x<1  

 x>1x>1  

 x<3x<3  

 x>3x>3  

 0<x<30<x<3  

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 Jika persamaan  .2log2x6.2logx+8=0.^2\log^2x-6.^2\log x+8=0  mempunyai akar-akar  x1x_1   dan  x2x_2   maka nilai  x1+x2=...x_1+x_2=... 

6

8

10

12

20

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Nilai x yang memenuhi pertidaksamaan logaritma  .6log(x2x)<1.^6\log\left(x^2-x\right)<1  adalah ...

-2 < x < 0  atau  1 < x < 3

-2 < x < 3

x < -2

x > 3

x < -2  atau  x > 3

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