
Quiz de Logaritmos e PA
Authored by GEVERSON OLIVEIRA
Mathematics
12th Grade
Used 3+ times

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30 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1
2
10
0
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
O logaritmo de 1, em qualquer base positiva diferente de 1, é:
0
1
A base
Não existe
Answer explanation
O logaritmo de 1 em qualquer base positiva diferente de 1 é sempre 0, pois qualquer número elevado a 0 resulta em 1. Portanto, a resposta correta é 0.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual das alternativas representa corretamente a definição de logaritmo?
Answer explanation
A definição correta de logaritmo é que se a^c = b, então log_a b = c. Isso significa que o logaritmo de b na base a é o expoente c que transforma a em b.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2
3
4
8
Answer explanation
O valor de \( \log_2 8 \) é 3, pois 2 elevado a 3 é igual a 8. Portanto, a resposta correta é 3.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual das alternativas a seguir é uma propriedade dos logaritmos?
Answer explanation
A propriedade correta dos logaritmos é \(\log_a (MN) = \log_a M + \log_a N\). Isso significa que o logaritmo do produto de dois números é igual à soma dos logaritmos desses números.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
5
0
1
Não existe
Answer explanation
O logaritmo de 1 em qualquer base é sempre 0, pois 5^0 = 1. Portanto, o valor de \( \log_5 1 \) é 0.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
7
12
81
64
Answer explanation
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