Sequências - 7.ºA
Quiz
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
Helena Neves
FREE Resource
Enhance your content in a minute
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
O termo geral de uma sequência numérica é 4 + 8n.
O quarto termo dessa sequência é:
24
4
8
36
2.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
O termo geral da sequência numérica cujos primeiros termos são 7, 12, 17, 22, 27 é:
7 + 5n
4 + 3n
2 + 5n
5 + 7n
3.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Considera a sequência de termo geral 8n + 4.
Determina os cinco primeiros temos da sequência.
20, 28, 36, 44, 52
12, 20, 28, 36, 44
8, 16, 24, 32, 40
1, 2, 3, 4, 5
4.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Considera a sequência de termo geral 8n + 4.
Determina o 17.º termo da sequência.
140
150
160
170
5.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
O Sr. António está a decorar a montra da sua mercearia. Até ao momento já fez três montes com embalagens de conservas, como os que podes observar nas figuras.
Se o Sr. António continuar a fazer montes, seguindo o mesmo padrão, de quantas embalagens precisará para fazer os três próximos montes?
21
28
36
64
6.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Considera a seguinte sequência numérica.
3, 8, 13, b, 23, 28, 33, ...
Indica o valor do termo b.
15
16
17
18
7.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Considera a seguinte sequência numérica.
3, 8, 13, b, 23, 28, 33, ...
Indica uma expressão algébrica que perita determinar os respetivos termos, dada a ordem.
3n-1
5n-1
3n
5n-2
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