
геометрич прогрессия
Authored by Анара Булатовна
Mathematics
9th Grade

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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какая из последовательностей чисел является геометрической прогрессией?
3; 9; ; 27;
- 1; 2; - 4; 8; - 16; 32
- 5; - 10; -15; - 20; - 25; - 30
3; 0; 0; 0; 0; 0
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Последовательность ( ) - геометрическая прогрессия. Найдите , если . .
3
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Последовательность ;10; ; ; 80 - геометрическая прогрессия. Найдите .
55
- 20
40
20
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
В геометрической прогрессии ( ) дано ; . Найдите
20
- 0.05
- 20
0.05
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Найдите знаменатель геометрической прогрессии, если .
2
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Найдите знаменатель геометрической прогрессии, если : ,
1.25
0.8
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Найдите первый член геометрической прогрессии ( ), если известно, что .
31.25
0.5
2
0.032
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