Quiz MAT7 04/fev

Quiz MAT7 04/fev

7th Grade

14 Qs

quiz-placeholder

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Quiz MAT7 04/fev

Quiz MAT7 04/fev

Assessment

Quiz

Mathematics

7th Grade

Hard

Created by

Ana Cunha

Used 11+ times

FREE Resource

14 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

 2x+4(x1)2x+4\left(x-1\right)  é igual a:

 4x+44x+4  

 6x46x-4  

 6x+46x+4  

 6x16x-1  

2.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

A expressão simplificada de

 7x(112x)7-x-\left(11-2x\right)  
é:

 3x11-3x-11  

 x4x-4  

 3x+113x+11  

 x18x-18  

3.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Simplificando a expressão algébrica

 3x+18x(1)3x+1-8x-\left(-1\right)  

obtém-se:

 5x-5x  

 5x+2-5x+2  

 11x+211x+2  

 11x11x  

4.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

A expressão numérica

 5×(15+2)25\times\left(\frac{1}{5}+2\right)-2  
é igual a:

- 1

1

9

11

5.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

A expressão algébrica simplificada de

 3(x+4)-3\left(x+4\right)  
é:

 3x12-3x-12  

 3x+12-3x+12  

 3x+43x+4  

 3x43x-4  

6.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Simplificando a expressão

 32×(72)+14-\frac{3}{2}\times\left(-\frac{7}{2}\right)+\frac{1}{4}  
obtém-se:

 224\frac{22}{4}  

 204-\frac{20}{4}  

 434\frac{43}{4}  

 414-\frac{41}{4}  

7.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

A função definida por

 f(x)=6xxf\left(x\right)=6x-x  
escreve-se na forma canónica como:

 f(x)=6xf\left(x\right)=6x  

 f(x)=5xf\left(x\right)=5x  

 f(x)=6xf\left(x\right)=-6x  

 f(x)=5xf\left(x\right)=-5x  

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