Cálculo algébrico 8° Ano

Cálculo algébrico 8° Ano

5th Grade

10 Qs

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Cálculo algébrico 8° Ano

Cálculo algébrico 8° Ano

Assessment

Quiz

Mathematics

5th Grade

Medium

Created by

Leonardo Cruz

Used 6+ times

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10 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 Qual é o resultado da seguinte operação: (2x2 + 5x)+(2x)\left(2x^{2\ }+\ 5x\right)+\left(2x\right) ?

 2x2+3x2x^2+3x  

 2x2+5x2x^2+5x  

 2x2+7x2x^2+7x  

 2x2+10x2x^2+10x  

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Qual o resultado da seguinte operação? (5x2+2x)x\left(5x^2+2x\right)\cdot x  



 6x2+2x6x^2+2x  

 5x3+2x5x^3+2x  

 5x3+2x25x^3+2x^2  

 5x+25x+2  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Qual será o valor resultante da seguinte operação?
 2(a+b)(ab)2\cdot\left(a+b\right)\cdot\left(a-b\right)  

 2(a3b)2\left(a^3-b\right)  

 2(a2+b2)2\left(a^2+b^2\right)  

 2(a2b2)2\left(a^2-b^2\right)  

 2(a+b)2\left(a+b\right)  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A expressão 25+125\sqrt{25+125} , quando simplificada será igual a ? 


 555\sqrt{5}  

 565\sqrt{6}  

 545\sqrt{4}  

 5π5\sqrt{\pi}  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Qual será o resultado da seguinte expressão? 3+23\sqrt{3}+2\sqrt{3}  


 333\sqrt{3}  

 434\sqrt{3}  

 232\sqrt{3}  

 66  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Qual é o resultado da operação aa2\frac{a}{a^2}  ? Considerando que  a 0a\ \ne0 

 aa  

 a12a^{\frac{1}{2}}  

 1a\frac{1}{a}  

 a2a^{-2}  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Qual o resultado da operação 164\frac{\sqrt{16}}{\sqrt{4}}  ?



8

16

2

1

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