
Sequências: Progressão Aritmética
Authored by Paulo Guimaraes
Mathematics
9th - 12th Grade
Used 3+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Em uma p.a. o valor da razão é menor que zero. Essa p.a. classifica-se como:
Decrescente
Crescente
Constante
Ascendente
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Ao determinar o 25° termo da p.a. (10, 14, 18, …), encontra-se como resultado:
98
102
106
110
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
O conjunto dos números inteiros é representado pela letra Z (primeira letra da palavra Zahlen, que significa números em alemão). Ao observar uma representação desse conjunto (…, - 3, - 2, - 1, 0, + 1, + 2, …) podemos afirmar que trata-se de uma p.a.:
Decrescente
Descendente
Constante
Ascendente
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Se a1 = 5 e a razão é 3, qual é o 15° termo da p.a.?
47
50
53
56
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Em uma p.a., se o 5° termo é 20 e o 10° termo é 35, qual é a razão?
2
3
4
5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se a1 = 2 e a razão é 5, qual é o 12° termo da p.a.?
52
57
62
67
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Em uma p.a., se o 3° termo é 15 e o 7° termo é 27, qual é o 1° termo?
3
5
7
9
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