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TO AKADEMIK POLRI #1 - BIMASAKTI

Authored by Rapii Darek

Mathematics

KG - 12th Grade

Used 13+ times

TO AKADEMIK POLRI #1 - BIMASAKTI
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15 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Bentuk sederhana dari (45a12b239a32b53)2\left(\frac{45a^{-\frac{1}{2}}b^{\frac{2}{3}}}{9a^{-\frac{3}{2}}b^{\frac{5}{3}}}\right)^{-2}  adalah ...

 a225b2\frac{a^2}{25b^2}  

 b225a2\frac{b^2}{25a^2}  

 a2b225\frac{a^2b^2}{25}  

 25b2a2\frac{25b^2}{a^2}  

 25a2b2\frac{25a^2}{b^2}  

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Nilai dari 30075+24873\sqrt{300}-\sqrt{75}+2\sqrt{48}-7\sqrt{3}  adalah ...

 535\sqrt{3}  

 636\sqrt{3}  

 12312\sqrt{3}  

 16316\sqrt{3}  

 18318\sqrt{3}  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Nilai dari 2.3log4123log25+3log103log32 2.^3\log4-\frac{1}{2}^3\log25+^3\log10-^3\log32\   sama dengan ...


0

 13\frac{1}{3}  

1

3

9

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Grafik fungsi kuadrat yang mempunyai nilai minimum -4 untuk x=1 dan mempunyai nilai 5 untuk x=4 adalah ...

f(x)=x22x+5f\left(x\right)=x^2-2x+5

f(x)=x2+2x3f\left(x\right)=x^2+2x-3

f(x)=x22x3f\left(x\right)=x^2-2x-3

f(x)=x22x+3f\left(x\right)=x^2-2x+3

f(x)=x2+2x+3f\left(x\right)=x^2+2x+3

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Jika x1 dan x2 adalah akar-akar persamaan kuadrat 2x2 + 3x - 6 = 0 maka nilai dari 2x1x22 + 2x12x2 adalah ...

-18

-12

-9

9

18

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Persamaan kuadrat yang mempunyai akar-akar 2+32+\sqrt{3}  

dan  232-\sqrt{3}  adalah ...

 x24x+1=0x^2-4x+1=0  

 x24x1=0x^2-4x-1=0  

 x2+4x+1=0x^2+4x+1=0  

 x2+4x7=0x^2+4x-7=0  

 x24x+7=0x^2-4x+7=0  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Himpunan penyelesaian dari pertidaksamaan kuadrat x2+2x+30-x^2+2x+3\le0 adalah ... 


 {1x3}\left\{-1\le x\le3\right\}  

 {1x3}\left\{-1\le x\le3\right\}  

 {x3 atau x1}\left\{x\le-3\ atau\ x\ge1\right\}  

 {x1 atau x2}\left\{x\le-1\ atau\ x\ge2\right\}  

 {x1 atau x3}\left\{x\le-1\ atau\ x\ge3\right\}  

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