
9 клас послідовності

Quiz
•
Mathematics
•
9th Grade
•
Hard
Людмила Котляренко
Used 1+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Яка із послідовностей є арифметичною прогресією?
3; 6; 12; 24;...
7; 10; 12; 13;...
-10; 0; 10; -10;...
20; 17; 14; 11
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Чому дорівнює різниця арифметичної прогресії, перший член якої 12, а другий 64
12
64
76
52
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Яка з послідовностей є геометричною прогресією?
-2; 1; 5; 10;...
7; 0; -7; -14;...
5; 10; 20; 40;...
11; 13; 15; 18;...
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
(an) - арифметична прогресія. а4 =12, а5 =18. Знайти різницю d.
d = а5 - а4
d = 6
d = а4 - а5
d = -6
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
(an) - арифметична прогресія. 16; a9; 24. Знайти a9.
20
24-16
(16+24)/2
√16*√24
6.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Знайди суму перших п'ятидесяти натуральних чисел
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2
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