Equações

Equações

7th Grade

10 Qs

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Equações

Equações

Assessment

Quiz

Mathematics

7th Grade

Practice Problem

Medium

Created by

Margarida Monteiro

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

1. Qual das seguintes expressões representa uma equação?

x+1x+1

x+3>6x+3>6

4+354+3≠5

3x=13x=1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Indica a equação que satisfaz as seguintes condições:
   *  1º membro :  5x 8 5x\ -8\   
    * Termos do 2º membro:  4; x4;\ -x  

 4  x=5x84\ –\ x=5x-8  

 5x+8=4  x5x+8=4\ –\ x  

 5x  8=4  x5x\ –\ 8=4\ –\ x  

 5x  8=4+x5x\ –\ 8=4+x  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Considera a seguinte equação  6x3=x+76x−3=x+7  


Quais os termos com incógnita: 
            

  6x; x6x;\ x  

  6x+x6x+x  

 x+6xx+6x  

 6x6x  

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Considera a seguinte equação  6x3=x+76x−3=x+7 

Quais os termos independentes: 
            

 -3; 7

 3; -7

6; -3; 7

6; -3; 1; 7

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Qual das seguintes equações admite 2 como solução ?

x+1=4x+1=4

3x=13x=1

1+x25=31+\frac{x}{2}-5=-3

x+12=32x+\frac{1}{2}=\frac{3}{2}

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

A solução da equação  3x9=03x-9=0  é:

5

-3

7

3

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

A solução da equação  2x+14=02x+14=0   é: 

- 4

5

- 7

3

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