
PA e seus conceitos
Authored by Bira Bauer
Mathematics
12th Grade
Used 5+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Considere as seguintes sequências de números:
A: 3, 7, 11, ...
B: 2, 6, 18, ...
C: 2, 5, 10, 17, ..
Quais os números que continuam cada uma das sequências, na ordem dada (A, B e C)?
15, 36 e 24
17, 54 e 26
15, 54 e 26
17, 72 e 26
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Considere a sequência 2, 7, 14, 23, .... A soma de seus dois próximos termos é:
81
69
47
34
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual o 8º termo da PA cujo primeiro termo é 4 e a razão é – 2?
18
-8
10
-10
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Determine a posição que o número 74 ocupa numa P.A. em que o 3º termo é igual a 2 e a razão é igual a 6.
74
13
15
12
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Considere a sequência (1, 4, 7, 10, …).
A soma do 12º termo com o 20º termo é:
92
34
58
33
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Qual é o 6º termo da PA formada pela interpolação de 5 termos aritméticos entre os números 7 e 43?
19
6
31
37
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Calcule x para que a sequência ( 3x – 1, 5x + 2; 11x - 7 ) seja uma P.A.
6
5
4
3
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