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Fatoração

Authored by Daniel Rodrigues

Mathematics

1st - 5th Grade

Used 23+ times

Fatoração
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Desenvolva (x + 2)²

x² + 4

x² + 4x + 4

x² - 4x + 4

x² + 2x + 4

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

O valor do produto notável (x + 2y)2 é

x2 + 4xy + 2y2

x2 + 2xy + 2y2

x2 + 4xy + 4y2

x2 - 4xy + 2y2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Colocando o fator comum em evidência na expressão ax + ay temos

a . ( x + y )

ax . ( 1 + y )

ay . ( x + 1 )

não tem fator comum

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A forma fatorada do polinômio

8p² + 12p

4p.(2p + 3)

2p.(4p + 6p)

(4p + 6).(4p - 6)

(4p + 3)²

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Desenvolvendo algebricamente o produto (x + 5).(x - 5) obtemos

2x

x2

x2 + 25

x2 - 25

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

O produto 2x .(5x + y - 4) é igual a

10x - 8

10x2 + 2xy + 8

10x2 + 2xy - 8

10x2 + 2xy - 8x

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Desenvolva (x - 1).(x + 1)

x² + 4

x² + 4x + 4

x² - 2x + 1

x² - 1

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