
Sequências
Authored by Ana Ribeiro
Mathematics
8th Grade
Used 99+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Observe a sequência dada pela fórmula geral an = 2n, n = 1, 2, 3, .... podemos dizer que a5 é ...
4
8
16
32
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Identifique o quinto termo da sequência (1, 8, 27, 64, ...).
Uma dica, essa sequência usa a fórmula do termo geral an = n3
125
124
123
122
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Veja na figura uma sequência de regiões quadradas em um papel quadriculado. Os números indicam a medida de comprimento dos lados delas.Essas medidas de comprimento podem ser organizadas em uma sequência:
( 1, 1, 2, 3, 5, 8, ...)
Determine o sétimo termo dessa sequência
11
13
15
16
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Observe a sequência abaixo e determine o próximo número.
(-2, 2, 6,10, 14, 18, 22, 26, 30, 34, ....)
33
58
36
38
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Selecione a sequência dos números naturais pares menores ou iguais a 10 :
2,4,6,8,10
1,3,5,7,9
0,1,2,3,4,
9,8,7,6,5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Continuando a sequência, segundo essa mesma regra, quantos palitos serão necessários para construir o décimo termo da sequência?
30
39
40
49
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Observe a a fórmula a1= 3, an = an-1 + 0,5 e n = 2, 3, 4, 5.
A sequência correspondente a essa recorrência é:
3; 3,5; 4,5; 5,5; 6,5.
3; 3,5; 4,5; 5; 6.
3; 3,5; 4; 4,5; 5; 5,5.
3,4,5,6,7
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