Quiz about Fatoração por Agrupamento - 9º Ano

Question 1

Fatore por agrupamento: $$x^3 + 2x^2 + 3x + 6$$

Accepted Answer

$$(x + 2)(x^2 + 3)$$

Answer

$$(x^2 + 3)(x + 2)$$

Answer

$$(x^2 + 2)(x + 3)$$

Answer

$$(x + 3)(x^2 + 2)$$

Question 2

Fatore por agrupamento: $$2ab + 4b + a + 2$$

Accepted Answer

$$(a + 2)(2b + 1)$$

Answer

$$(a + 2)(b + 2)$$

Answer

$$(2b + 1)(a + 2)$$

Answer

$$(2b + 2)(a + 1)$$

Question 3

Fatore por agrupamento: $$x^2 - 3x + 2x - 6$$

Accepted Answer

$$(x - 3)(x + 2)$$

Answer

$$(x + 2)(x - 3)$$

Answer

$$(x - 2)(x + 3)$$

Answer

$$(x - 6)(x + 1)$$

Question 4

Fatore por agrupamento:

Accepted Answer

Answer

Answer

Answer

Question 5

Fatore por agrupamento: $$a^2 + 5a + 2a + 10$$

Accepted Answer

$$(a + 5)(a + 2)$$

Answer

$$(a + 2)(a + 5)$$

Answer

$$(a^2 + 2)(a + 5)$$

Answer

$$(a^2 + 5)(a + 2)$$

Question 6

Fatere por agrupamento: $$x^3 - 2x^2 + 5x - 10$$

Accepted Answer

$$(x^2 + 5)(x - 2)$$

Answer

$$(x^2 - 2)(x + 5)$$

Answer

$$(x^2 - 2)(x - 5)$$

Answer

$$(x^2 + 5)(x + 2)$$

Question 7

Fatore por agrupamento: $$4xy - 8y + x - 2$$

Accepted Answer

$$(x - 2)(4y + 1)$$

Answer

$$(4y + 1)(x - 2)$$

Answer

$$(4y - 2)(x + 1)$$

Answer

$$(x + 2)(4y - 1)$$

Question 8

Fatere por agrupamento: $$m^2 + 3m + 2m + 6$$

Accepted Answer

$$(m + 3)(m + 2)$$

Answer

$$(m + 2)(m + 3)$$

Answer

$$(m^2 + 2)(m + 3)$$

Answer

$$(m^2 + 3)(m + 2)$$

Question 9

Fatere por agrupamento: $$2x^2 + 6x + x + 3$$

Accepted Answer

$$(x + 3)(2x + 1)$$

Answer

$$(2x + 1)(x + 3)$$

Answer

$$(2x + 3)(x + 1)$$

Answer

$$(x + 1)(2x + 3)$$

Question 10

Fatore por agrupamento: $$y^3 - 4y^2 + 3y - 12$$

Accepted Answer

$$(y^2 + 3)(y - 4)$$

Answer

$$(y^2 - 4)(y + 3)$$

Answer

$$(y^2 - 4)(y - 3)$$

Answer

$$(y^2 + 3)(y + 4)$$

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