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Intervalos

Authored by Marla Silva

Mathematics

9th Grade

Used 43+ times

Intervalos
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14 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Considera o conjunto

 A={x IR: x3    x<52}A=\left\{x\ \in IR:\ x\ge-3\ \ \wedge\ \ x<\frac{5}{2}\right\}  .
Qual dos seguintes conjuntos é igual a A?

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 {  }\left\{\ \ \right\}  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Qual é o menor número inteiro que pertence ao intervalo?

1-1

00

4-4

3-3

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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Qual é o menor número natural n para o qual o conjunto

 A  Z A\ \cap\ Z\   tem 6 elementos? 

5

4

3

2

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Considera o conjunto

 A={xIR: 72<x23}A=\left\{x\in IR:\ -\frac{7}{2}<x\le\frac{2}{3}\right\}  .
Qual dos conjuntos, representa na forma de intervalos de números reais  ,  A IR+A\ \cap IR^+  ?

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5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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Qual dos seguintes conjuntos é igual a C ?

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6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Qual é o menor número natural que não pertence ao intervalo?

3

2

1

0

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Qual das seguintes condições corresponde ao conjunto representado na figura?

x>13x>\frac{1}{3}

x13x\ge\frac{1}{3}

x<13x<\frac{1}{3}

x13x\le\frac{1}{3}

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