
Recuperação Sequência
Financial Education
11th Grade
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A expressão algébrica que representa o número de palitos P em função da ordem n (n = 1, 2, 3, ...) nas figuras mostradas é:
P = n + 1
P = n² - 1
P = 2n + 1
P = 3n + 1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A relação entre P e n, onde P assume valores 8, 10, 12, 14, 16, 18 e n assume valores 5, 6, 7, 8, 9, 10, é dada pela expressão:
P = n + 1
P = n + 2
P = 2n - 2
P = n - 2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na figura de número n, quantos quadrados serão usados?
3n.
3n + 1.
3 (n + 1).
(n + 1)³.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O número que vem imediatamente depois de n na sequência 3; 7; 11; 15; 19; 23; ...; n; ... pode ser representado por:
n + 1
n + 4
n + 3
n + 2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O número de hexágonos que formam a figura que ocupa a posição n nessa sequência pode ser dado pela expressão:
n + 1
6n
6n - 5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A Elisa vai fazer um colar com contas brancas e pretas, seguindo sempre um esquema inventado por ela. Uma parte do colar está dentro da caixa da figura. A quantidade de bolinhas pretas dentro da caixa é:
5 bolinhas
6 bolinhas
7 bolinhas
2 bolinhas
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mantendo esta disposição, a expressão algébrica que representa o número de triângulos (T) na ordem n (n = 1, 2, 3, ...) é:
T(n) = 4n
T(n) = 2n + 2
T(n) = n² + 3
T(n) = 4n + 1
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