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Fatorização de Polinómios

Authored by Ana Pereira

Mathematics

8th Grade

Used 49+ times

Fatorização de Polinómios
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10 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Colocando o fator comum em evidência na expressão  5x+5y5x+5y  temos:

 5x(1+y)5x\left(1+y\right)  

 5(x+y)5\left(x+y\right)  

 5y(x+1)5y\left(x+1\right)  

 x(5+y)x\left(5+y\right)  

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 Qual das seguintes expressões é uma fatorização do polinómio 3a26a3a^2-6a ?

 3a(a3)3a\left(a-3\right)  

 a(36)a\left(3-6\right)  

 3a(a2)3a\left(a-2\right)  

 3a(a6)3a\left(a-6\right)  

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Qual das seguintes opções poderá corresponder à fatorização do polinómio 4x16x24x-16x^2 ?

 (24x)(2+4x)\left(2-4x\right)\left(2+4x\right)  

 4x(14x)4x\left(1-4x\right)  

 (24x)(24x)\left(2-4x\right)\left(2-4x\right)  

 4x(x4)4x\left(x-4\right)  

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

A fatorização do polinómio  a3 + aa^3\ +\ a  é:

 a(2a + 1)a\left(2a\ +\ 1\right)  

 a(3+1)a\left(3+1\right)  

 a(a2 + 1)a\left(a^2\ +\ 1\right)  

 a(a+1)a\left(a+1\right)  

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

A fatorização do polinómio  10bc  25b10bc\ -\ 25b é: 

 2(5bc10)2\left(5bc-10\right)  

 2b(5c  5)2b\left(5c\ -\ 5\right)  

 5b(2c  5)5b\left(2c\ -\ 5\right)  

 5b(5c20)5b\left(5c-20\right)  

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Fatoriza o polinómio  6m2n2 + 4m6m^2n^2\ +\ 4m  

 2mn(3mn + 2)2mn\left(3mn\ +\ 2\right)  

 2m(3mn2 + 2)2m\left(3mn^2\ +\ 2\right)  

 3mn(2mn +2)3mn\left(2mn\ +2\right)  

 2m(3mn+2)2m\left(3mn+2\right)  

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

O polinómio x2+8x+16x^2+8x+16 é igual a:

 (x+8)(x+8)\left(x+8\right)\left(x+8\right)  

 (x+4)(x4)\left(x+4\right)\left(x-4\right)  

 (x8)(x+8)\left(x-8\right)\left(x+8\right)  

 (x+4)(x+4)\left(x+4\right)\left(x+4\right)  

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