polinómios / casos notáveis

polinómios / casos notáveis

9th Grade

15 Qs

quiz-placeholder

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polinómios / casos notáveis

polinómios / casos notáveis

Assessment

Quiz

Mathematics

9th Grade

Hard

Created by

Susana Rodrigues

Used 6+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

O polinómio   4x2164x^2-16     pode ser representado por: 

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

 (2x4)2\left(2x-4\right)^2  

 (2x4)(2x+4)\left(2x-4\right)\left(2x+4\right)  

 (2x+4)2\left(2x+4\right)^2  

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

O trinómio  x214x+49x^2-14x+49  é o mesmo que:

 (x7)2\left(x-7\right)^2  

 (x7)(x+7)\left(x-7\right)\left(x+7\right)  

 x249x^2-49  

 (x+7)2\left(x+7\right)^2  

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Qual das expressões representa  (12x)2\left(1-2x\right)^2  

 14x +2x2 1-4x\ +2x^2\   

 14x+2x21-4x+2x^2  

 14x + 4x21-4x\ +\ 4x^2  

 14x4x21-4x-4x^2  

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Qual dos seguintes polinómios é equivalente à expressão  (x+3)2\left(x+3\right)^2 ?

 x2 +3x+9x^{2\ }+3x+9  

 x2+6x+9x^2+6x+9  

 x26x+9x^2-6x+9  

 x2 +9x^{2\ }+9  

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

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