Fatoração
Authored by Raul Carneiro
Mathematics
1st - 4th Grade
Used 99+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A forma fatorada do polinômio
8p² + 12p
4p.(2p + 3)
2p.(4p + 6p)
(4p + 6).(4p - 6)
(4p + 3)²
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O produto 2x .(5x + y - 4) é igual a
10x - 8
10x2 + 2xy + 8
10x2 + 2xy - 8
10x2 + 2xy - 8x
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O valor do produto notável (x + 2y)2 é
x2 + 4xy + 2y2
x2 + 2xy + 2y2
x2 + 4xy + 4y2
x2 - 4xy + 2y2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a área de um quadrado cujo lado mede a + 5b ?
a2 + 5b2
a2 + 25b2
a2 - 10ab + 25b2
a2 + 10ab + 25b2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Desenvolvendo algebricamente o produto (x + 5).(x - 5) obtemos
2x
x2
x2 + 25
x2 - 25
6.
MULTIPLE CHOICE QUESTION
30 sec • 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
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Desenvolva (x + 2)²
x² + 4
x² + 4x + 4
x² - 4x + 4
x² + 2x + 4
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