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Recuperação valor 3,0 pontos (produtos notáveis)

Authored by MARIELEN KRAVUTSCHKE RIBAS

Mathematics

9th Grade

Used 2+ times

Recuperação valor 3,0 pontos (produtos notáveis)
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10 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 3 pts

(x + 2)² =

x² + 4

x² - 4

x² + 4x + 4

x² - 4x + 4

2.

MULTIPLE CHOICE QUESTION

2 mins • 3 pts

(x +7)²

x² + 7x + 49

x² + 14x + 49

x² + 49

x² + 14

3.

MULTIPLE CHOICE QUESTION

2 mins • 3 pts

(2x + 4)²

4x² + 16x + 16

2x² + 8

2x² +16

2x² + 16x + 16

4.

MULTIPLE CHOICE QUESTION

2 mins • 3 pts

(3x³ + 2y)²

3x6 + 6x³y + 4y²

3x³ + 12x³y + 4y²

9x³ +12x³y + 4y²

9x6 +12x³y + 4y²

5.

MULTIPLE CHOICE QUESTION

30 sec • 3 pts

Desenvolva o produto notável: (x + 2)²

x² + 4

x² + 4x + 4

x + 4x + 2

x² + 4x

6.

MULTIPLE CHOICE QUESTION

30 sec • 3 pts

O quadrado da soma de dois termos (a+b)2 pode ser escrito como:

(a+b)(a)

(a+b)(b)

(a+b)(a+b)

(a+b)+(a+b)

7.

MULTIPLE CHOICE QUESTION

30 sec • 3 pts

(2x + 4)²

4x² + 16x + 16

2x² + 8

2x² +16

2x² + 16x + 16

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