
Avaliação da Aula 1 - Números Complexos
Authored by Lud Lindo
Mathematics
12th Grade
Used 3+ times

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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das alternativas representa corretamente a forma algébrica de um número complexo?
z = a + bi
z = a − bi
z = a × bi
z = a/bi
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um número complexo é classificado como real quando:
A parte imaginária é diferente de zero.
A parte imaginária é igual a zero.
A parte real é zero.
Nenhuma das anteriores.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se z1=3+4i e z2=1−2i, qual é a soma z1+z2?
2+6i
4+2i
2−6i
4−2i
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o conjugado do número complexo z=5+3i?
5−3i
−5+3i
5+3i
−5−3i
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Sendo z1=2+i e z2=1−3i, qual é o produto z1×z2? Resolva no Caderno e assinale a alternativa correta
5−5i
5+5i
2−6i
6+2i
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dois números complexos são iguais quando:
Apenas suas partes reais são iguais.
Apenas suas partes imaginárias são iguais.
Suas partes reais e imaginárias são iguais.
Quando seus módulos são iguais.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a parte imaginária do número complexo z=−7+2i?
−7
2
−2
7
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