Produtos Notáveis e Fatoração

Produtos Notáveis e Fatoração

9th Grade

10 Qs

quiz-placeholder

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Produtos Notáveis e Fatoração

Produtos Notáveis e Fatoração

Assessment

Quiz

Mathematics

9th Grade

Hard

Created by

Daniel Lima

Used 23+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

O trinômio 9x2-12x+4 resulta em que produto notável.

(3x + 2)2

(3x - 2)2

(9x + 4)2

(9x - 4)2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Que alternativa melhor representa o desenvolvimento do binômio abaixo.
  (2x0,5)2\ \left(2x-0,5\right)^2  

 2x2+2x+0,252x^2+2x+0,25  

 4x22x0,254x^2-2x-0,25  

 x20,5x+2x^2-0,5x+2  

 4x22x+0,254x^2-2x+0,25  

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Qual a expressão resultante do produto a seguir
 (5x+3y)(5x3y).\left(5x+3y\right)\left(5x-3y\right).  


 10x2+6y210x^2+6y^2  

 10x29y210x^2-9y^2  

 25x26y225x^2-6y^2  

 25x29y225x^2-9y^2  

4.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Sabendo que 2ab3 = 6 e que 2a + 5b = 11,determine o valor de 4a2b3 + 10ab4.

62

65

66

68

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Quanto vale o produto (40 + 1).(40 - 1)

159

1599

1600

1601

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Qual o valor do cubo (x + 1)3 ?

x3

x3 - 1

x3 + 3x2 + 3x + 1

x3 + 2x2 + 2x + 1

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Desenvolvendo o produto

(x + 1).(x2 - x + 1) obtém-se

x2 + 1

x2 - 1

x3 + 1

x3 - 1

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