Ciąg liczbowy

Quiz
•
Mathematics
•
10th - 12th Grade
•
Hard
Ewa K
Used 52+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
NIech ciąg an będzie wyrażony wzorem an=2 ⋅(-1)n+1 oblicz ile wynosi wartość trzeciego elementu ciągu
3
6
2
-2
2.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
Ile wyrazów ciągu an= n2- 4 , gdzie n∊ ℕ+, jest równych zero?
2
4
1
nie ma takiego elementu
3.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Co jest wykresem ciągu liczboweg?
wykres który jest linią prostą
wykres , który jest linią łamaną
nie ma wykresu
wykres punktowy
4.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Który wyraz ciągu bn= 3n+5 jest równy 14
b1
b3
b14
b6
5.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
Które wyrazy ciągu an= -n2+17n-60 są dodatnie? Podaj w rozwiązaniu numery tych elemantów
6.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
Ciąg an= 2n-3n, gdzie n∈ℕ+, wobec tego
a3-a2=-24
a3-a2=-14
a3-a2=-8
a3-a2=-1
7.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Ile wyrazów ciągu cn=n2-8n+15, n∈ℕ+, jest równych zero?
żaden
jeden
dwa
trzy
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