Геометрична прогресія.Формула суми n перших чле
Quiz
•
Mathematics
•
9th Grade
•
Hard
Валентина Міщенко
Used 6+ times
FREE Resource
6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Яка з послідовностей є геометричною прогресією?
3, 1/3, 9, 1/9, 27, 1/27
-1, 2, -4, 8, -16, 32
-5, -10,-15, -20, -25, -30
3, 0, 0, 0, 0
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Чому дорівнює знаменник геометричної прогресії (bn ), якщо , b5=28, b6=-4 ?
1/7
7
-7
-1/7
інша відповідь
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Послідовність (bn) -геометрична прогресія. Знайти b9, якщо b1=16, q= -1/2
16
8
1/16
-8
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Оберіть правильний варіант формули для обчислення суми n перших членів геометричної прогресії
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
1,25
0,625
6.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
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