Desafio das Progressões Aritméticas
Quiz
•
Mathematics
•
Professional Development
•
Practice Problem
•
Hard
Gênesis Araújo
Used 11+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Os cinco primeiros termos da sequência cujo termo geral é an = n² -2n são:
-2, 0, 6, 8 e 12
-1, 0, 3, 8 e 15
-3, -1, 3, 9 e 16
-5, -2, 3, 8 e 15
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Determinar os cinco primeiros termos da sequência cujo termo geral é igual a: an = 3 · n + 2, com n ∈ N*.
5, 8, 11, 14 e 17
3, 9, 12, 15 e 20
5, 8, 10, 16 e 20
5, 8, 11, 14 e 19
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Numa Progressão aritmética, o primeiro termo é a1 = 0 e a razão r = 3, determine a alternativa que representa o 23º termo desta sequência:
60
63
66
69
72
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Numa PA de primeiro termo a1 = 11 e a razão r = – 2. Determine a alternativa que representa o 12º termo desta progressão:
11
22
33
-11
-22
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Numa PA de primeiro termo a1 = 0,3 e razão r = 0,2. Determinar a alternativa que representa o vigésimo termo dessa progressão:
3,7
5,2
4,6
4,1
5,3
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Determine quantos múltiplos de 8 existem entre 14 e 701.
68
72
54
76
86
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Determine a soma dos sessenta primeiros termos da PA (2, 5, 8, ...).
3450
4350
5430
4530
5340
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