
Fatoração
Authored by Daniel Rodrigues
Mathematics
1st - 5th Grade
Used 23+ times

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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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