
Casos notáveis / Fatorização de Polinómios - 8º ano
Authored by Sandra Monteiro
Mathematics
8th Grade
Used 11+ times

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13 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A fatorização do polinómio p2 - 14p é:
p(1 - 14)
2p(p - 7)
p2(1-14)
p(p - 14)
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
O polinómio x2 - 49 pode ser representado por:
(x + 7)(x - 7)
(x + 7)2
(x - 7)2
(x+7)(x-1)
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Colocando o fator comum em evidência no binómio x2 - x, obtém-se :
x
x ( x + 1 )
x ( x - 1 )
( x + 1 ) ( x - 1 )
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Fatorizando x2 - 16x + 64 obtém-se :
( x + 8 )2
( x - 8 )2
( x + 8 ) ( x - 8 )
x ( x - 16 )
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Qual o desenvolvimento correto de (x - 7)² ?
x² - 49
x² + 14x + 49
x² - 14x - 49
x² - 14x + 49
6.
MULTIPLE CHOICE QUESTION
15 mins • 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
15 mins • 1 pt
A fatorização de 12𝑥2 + 4𝑥 é:
4x (3x + 1)
4x (3x - 1)
4x (3 + 2)
4 (3x + 3)
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