Fatoração 3
Mathematics
9th Grade
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10 questions
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1.
MATCH QUESTION
3 mins • 1 pt
Ligue na resposta correta:
5x .(x + 5)
2x + 4
2.(x + 2)
2xa - 6xy
2.(2x2 - 5)
5x2 + 25x
3y.(3y - 5)
9y2 - 15
2x.(a - 3y)
4x2 - 10
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A expressão 9x² - 25 é equivalente a:
(3x + 5) . (3x - 5)
(3x - 5) . (3x - 5)
(3x + 5) . (3x + 5)
3x . (3x - 25)
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Colocando o fator comum em evidência, no polinômio ao lado, encontramos qual resultado?
x²y² . (35x - 2y)
x²y² . (7x - 14y)
5x²y² . (7x - 2y)
7x²y² . (5x - 2y)
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Colocando o fator comum em evidência, no polinômio ao lado, encontramos qual resultado?
8x² . (3x³ - 1x² - 7)
8x³ . (3x² - 1x - 7)
4x³ . (3x² - 1x - 7)
4x² . (3x³ - 1x² - 7)
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Colocando o fator comum em evidência, no polinômio ao lado, encontramos qual resultado?
20a²x . (6x² - 5x +3)
20ax² . (6x² - 5x +3)
20ax . (6x² - 5x +3)
30ax . (6x² - 5x +3)
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Fatore a expressão abaixo e marque a alternativa que contem sua forma fatorada:
3a²b + 3ab²
3a(b + 2b)
3(ab + ab²)
3ab(a + b)
3a²b(1 + b)
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Fatore: b² - 36
(b² + 36) . (b² - 6)
(b + 6) . (b + 6)
(b - 6) . (b - 6)
(b + 6) . (b - 6)
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