
Inequações - 9.º
Authored by Amélia Marques
Mathematics
3rd Grade
Used 51+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Sejam a e b números reais positivos tais que a > b .
Qual das afirmações seguintes é verdadeira?
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Considera a seguinte representação gráfica de um intervalo de números reais.
Qual dos seguintes conjuntos define este intervalo?
3.
FILL IN THE BLANK QUESTION
1 min • 5 pts
Na figura está representado um intervalo de números reais na reta numérica. Escreve o menor número inteiro que pertence ao intervalo representado.
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Considera o conjunto A = ] − π , − 1 ] .
Qual das seguintes afirmações é verdadeira?
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Seja A = ] − 1 , 2 [ e seja B = ] − 3 , 0 [ .
Em qual das opções seguintes está representado o conjunto A ∪ B ?
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Considera o conjunto C = [ −π , 3 ] ∩ ] 1 , + ∞[ .
Qual dos conjuntos seguintes é igual a C ?
]1 , 3]
[−π , + ∞[
[−π , 3]
[−π , 1[
7.
FILL IN THE BLANK QUESTION
1 min • 5 pts
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