Tarefa n.º2 - Inequações- 9.º3

Tarefa n.º2 - Inequações- 9.º3

7th Grade

12 Qs

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Tarefa n.º2 - Inequações- 9.º3

Tarefa n.º2 - Inequações- 9.º3

Assessment

Quiz

Mathematics

7th Grade

Hard

Created by

Rubina Velosa

Used 4+ times

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12 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Qual é o conjunto-solução da condição

 2>x  2x1 -2>-x\ \wedge\ -2x\le1\   ?

] 1, +-1,\ +\infty  [

] 2,+2,+\infty  [

] 3,+3,+\infty  [

 1,+1,+\infty  [

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Qual é o conjunto-solução da condição

 2x>5  x+102x>5\ \wedge\ x+1\ge0  ?

 {}\left\{\right\}  

[ 1, +-1,\ +\infty  [

 52, +\frac{5}{2},\ +\infty  [

[ 1,52-1,\frac{5}{2}  [

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Qual das inequações seguintes é equivalente à inequação

 x10<12x-10<-12  ?

 x>2x>-2  

 x+2<0x+2<0  

 x22<0x-22<0  

 x2<0x-2<0  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Qual é o maior número inteiro que verifica a condição

 4x<84x<8  ?

-1

0

1

2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Qual é o conjunto-solução da condição

 x>4  x>2x>-4\ \wedge\ x>2  ?

] 4,+-4,+\infty  [

] 2,+2,+\infty  [

[ 4,+4,+\infty  [

[ 2,+-2,+\infty  [

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Qual é o conjunto-solução da seguinte condição

 4x<10  x+2>3x4x<10\ \vee\ x+2>3x  ?

] , 1-\infty,\ 1  [

] ,52-\infty,\frac{5}{2}  [

] 1,521,\frac{5}{2}  [

] 52,+\frac{5}{2},+\infty  

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Qual é o conjunto-solução da condição

 x>3  x12x>-3\ \wedge\ x\le12  ?

] 3, 12-3,\ 12  ]

] ,+-\infty,+\infty  [

] , 12 -\infty,\ 12\   ]

] 3, +-3,\ +\infty  [

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