
Fatoração
Mathematics
9th Grade
Used 3+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O significa fatorar um número em números primos ?
Representar esse número pela multiplicação de fatores primos.
Representarer esse número pela multiplicação de fatores.
Representar esse número pela divisão de fatores primos .
Representar esse número pela divisão de fatores.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Desenvolvendo algebricamente o produto (x + 5).(x - 5) obtemos:
2x
x2
x2 + 25
x2 - 25
3.
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
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Desenvolva (x - 1).(x + 1):
x² + 4
x² + 4x + 4
x² - 2x + 1
x² - 1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o número que decomposto em fatores primos é representado por: 22 . 33 . 5
30
180
540
120
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fatore:
5x2+x
x(x+1)
x(5x+1)
x(5x+2)
5(5x+1)
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A forma fatorada do polinômio
8x² + 12x
4x.(2x + 3)
2x.(4x + 6x)
(4x + 6).(4x - 6)
(4x + 3)²
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