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Reunião e Interseção de Intervalos

Authored by Susana Sousinha

Mathematics

9th Grade

Used 67+ times

Reunião e Interseção de Intervalos
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10 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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Considera os intervalos de números reais A e B. 

Qual dos intervalos seguintes é igual ao conjunto A

 A∩BA\cap B  ?

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2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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Considera os intervalos de números reais A e B. 

Qual dos intervalos seguintes é igual ao conjunto A

 A∪BA\cup B  ?

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nenhuma das  anteriores

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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Qual das seguintes afirmações é verdadeira?

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−5∈A∩B-5\in A\cap B

A∪B=IRA\cup B=IR

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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−3-3

−4-4

−π-\pi

−π−1-\pi-1

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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Qual dos seguintes números pertence ao conjunto A?

0

1

3

4

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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