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LATIHAN UJIAN

Authored by Yunifah Cahyani

Mathematics

12th Grade

Used 1+ times

LATIHAN UJIAN
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40 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Suatu populasi diawali dengan hadirnya 4 lebah. Setiap bulan populasi lebah naik dua kali lipat. Populasi lebah pada bulan keenam adalah ...

64 ekor

128 ekor

256 ekor

512 ekor

1024 ekor

Answer explanation

Materi eksponen

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Diketahui 3n + 3-n = 5. Nilai dari 32n + 3-2n adalah ...

21

23

25

27

29

Answer explanation

Materi eksponen kolaborasi dengan bentuk kuadrat.

3n + 3-n = 5

(3n + 3-n)2 = 52

32n + 2(3n)(3-n) + 3-2n = 25

32n + 2(3n)(1/3n) + 3-2n = 25

32n + 2.1 + 3-2n = 25

32n + 2 + 3-2n = 25

32n + 3-2n = 25 - 2 = 23

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Himpunan penyelesaian dari 2log (x2 - x -2) = 2 adalah ...

{1, -2}

{2, -3}

{3, -2}

{3, -1}

{3, 2}

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

a2b4c

ab4c

a2b10c

ab10c

ab10c-5

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Jika nilai log 5 = p, maka nilai log 50 = ...

10p

p2

p + 1

p - 1

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Diketahui fungsi logaritma f(x) = log (x2 + 19). Nilai fungsi f untuk x = 9 adalah ...

0

1

2

3

4

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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