
Equação Modular
Authored by Ali Divino
Mathematics
10th Grade
Used 4+ times

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7 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
lx+2l = 3
S={1,5}
S={1,-5}
S={5}
S={1}
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
l3x-1l=2
S={1,-1/3}
S={1,0}
S={1,1/3}
S={0,0}
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
l4x-5l=0
S={0}
S={-5}
S={-5/4}
S={5/4}
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
l2x-3l=-1
S={1,2}
S={-1,-2}
S={0}
S={ }
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
lx²-3x-1l=3
S={-1,1,2,4}
S={-1,0,1,2}
S={-1,1,-2,4}
Nenhuma das alternativas
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
lx-2l = 2x + 1
(obs: se lembrem da condição do x, o módulo tem que dar sempre um valor positivo)
S={1/3}
S={1/4}
S={1/5}
S={ }
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
(UFJF-MG - Adaptada)Sobre os elementos do conjunto solução da equação lxl² - 4lxl -5=0, podemos dizer que:
São números inteiro
São números natural
Um deles é um número racional, o outro é um número irracional
Não existem, isto é , o conjunto solução é vazio
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