Progressão Geométrica
Quiz
•
Mathematics
•
3rd Grade
•
Practice Problem
•
Medium
Ana Paula
Used 68+ times
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9 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Determine o número k para que a sequência (k, k + 4, 18) seja uma PG.
2 ou 8
3 ou 5
4 ou 8
1 ou 4
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Determinar o maior termo de uma PG de três termos, sabendo que o produto dos três termos é 8 e a soma do segundo com o terceiro é 18.
10
12
15
16
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Quantos termos tem a PG (243, 81, 27, ..., ) ?
10
12
16
20
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Em uma PG(an), temos a1= e .
Determine a razão da PG.
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Calcule a razão da PG (-3, 9, -27, 81,...)
2
-2
3
-3
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Calcule a soma dos 10 primeiros termos da PG (3, 6, 12, 24,...)
2.128
3.069
4.250
5.120
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A soma dos n primeiros termos de uma PG é 12.285. Determine sabendo que e
10
11
12
13
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