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2021 USEK MATEMATIKA

Authored by SMK Official

Mathematics

12th Grade

Used 16+ times

2021 USEK MATEMATIKA
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40 questions

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1.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Bentuk sederhana dari 

 (a4b5c)3(ab2c7)2\frac{\left(a^4b^5c\right)^3}{\left(ab^{-2}c^7\right)^{-2}}  adalah ....

 a11b13c5a^{11}b^{13}c^5  

 a11b11c17a^{11}b^{11}c^{17}  

 a14b11c17a^{14}b^{11}c^{17}  

 a14b11c17a^{14}b^{11}c^{17}  

 a14b11c11a^{14}b^{11}c^{-11}  

2.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Bentuk sederhana dari 

 348+10821473\sqrt{48}+\sqrt{108}-2\sqrt{147}  adalah

 636\sqrt{3}  

 434\sqrt{3}  

 23-2\sqrt{3}  

 33-3\sqrt{3}  

 43-4\sqrt{3}  

3.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Nilai dari

 2log18  7log5 2log 1202log9^2\log18\ -\ ^7\log5\ -^2\log\ \frac{1}{20}-^2\log9  adalah ...

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4.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

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  Jika A = B maka nilai dari  a + 2b – c adalah… .

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5.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

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Diketahui matrik A dan B diatas, nilai matrik A x B adalah ....

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6.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

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Invers dari matriks A di atas adalah ....

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7.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Diketahui x1 dan x2akar-akar persamaan 3x2-5x-1=0. Persamaan kuadrat yang akar-akar 3x1 dan 3x2 adalah ....

x2–5x–9=0

x2–5x–3=0

x2–3x–1=0

3x2x–3=0

3x2–5x–9=0

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