Quiz about KELAS X -2 _BARISAN DAN DERET BILANGAN, DAN APLIKASIYA.

Question 1

Beda dari barisan aritmatika $$18,12,6,...$$ adalah...

Accepted Answer

$$-6$$

Answer

6

Answer

4

Answer

0

Answer

$$-4$$

Question 2

Diketahui barisan aritmatika $$3,5,7,9,11,...$$ Suku $$ke-16$$ adalah...

Accepted Answer

33

Answer

31

Answer

32

Answer

34

Answer

35

Question 3

Diketahui barisan aritmatika $$U_5=4$$ dan $$U_{25}=14$$ . Maka nilai beda (b) dan suku pertama (a) berturut - turut adalah...

Accepted Answer

$$\frac{1}{2}\ dan\ 2$$

Answer

$$\frac{1}{2}\ dan\ 3$$

Answer

$$2\ dan\ 2$$

Answer

$$2\ dan\ 3$$

Answer

$$3\ dan\ -2$$

Question 4

Jumlah 15 suku pertama deret aritmatika $$5+8+11+...$$ adalah...

Accepted Answer

390

Answer

340

Answer

350

Answer

360

Answer

370

Question 5

Suatu deret aritmatika dengan $$S_{30}=195$$ dan $$S_{29}=50$$ . Maka nilai $$U_{30}$$ adalah...

Accepted Answer

145

Answer

245

Answer

240

Answer

$$-145$$

Answer

$$-245$$

Question 6

Suku $$ke-7$$ dari barisan geometri $$2,6,18,...$$

Accepted Answer

1458

Answer

2547

Answer

1546

Answer

2458

Answer

1584

Question 7

Jumlah 6 suku pertama dari deret $$3+6+12+...$$ adalah...

Accepted Answer

189

Answer

95

Answer

110

Answer

145

Answer

160

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