IX, FISA 2

IX, FISA 2

9th Grade

77 Qs

quiz-placeholder

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IX, FISA 2

IX, FISA 2

Assessment

Quiz

Mathematics

9th Grade

Hard

Created by

SANDA BARBU

FREE Resource

77 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Să se determine al optulea termen al șirului 1, 5, 9, 13, ... .

a8 = 29

a8 = 25

a8 = 33

a8 = 21

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Să se calculeze suma primilor 7 termeni ai progresiei aritmetice (an)n≥1 în care a1 = 3 și r = -2.

-21

7

0

-7

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Adevărat

Fals

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Să se determine al zecelea termen al unei progresii geometrice în care rația este 1/5 și primul termen este 3125.

1/625

5

625

1/3125

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Să se calculeze suma: 2 + 5 + 8 + ... + 44.

345

330

360

315

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

În progresia aritmetică (an), se cunosc: a6 = 20, a26 = 120. Să se găsească a10.

40

60

80

100

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