
Progressão geométrica
Authored by IRENE KREVEY
Mathematics
3rd Grade
Used 1+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Calcule a razão da PG (-3, 9, -27, 81,...)
2
-2
3
-3
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
A sequência (3,6,12,24,48) é uma PG de razão igual a:
1
2
3
4
5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O termo seguinte (ou 4º termo) da P.G. (-3, 18, - 108,...) é:
324
648
-324
-648
216
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Seja uma P.G. de quatro termos, com a1 = 3 e q = 2. Seu quarto termo vale:
9
12
18
24
48
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
A P.G. (2, –4, 8, –16, 32) é classificada como:
crescente
constante
decrescente
alternada
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A representação an se refere a(o):
Primeiro termo da PG
Razão da PG
Quantidade de termos da PG
Termo geral da PG
Posição de um termo na PG
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Considerando a PG ( a1, 3, 9, 27), o primeiro termo vale:
1
5
7
-1
0
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