Polinômios e fatoração - 8º ano A - 2019

Polinômios e fatoração - 8º ano A - 2019

1st Grade

10 Qs

quiz-placeholder

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Polinômios e fatoração - 8º ano A - 2019

Polinômios e fatoração - 8º ano A - 2019

Assessment

Quiz

Mathematics

1st Grade

Practice Problem

Hard

Created by

Bruno Freitas

Used 10+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

(SARESP) A expressão 9x² - 25 é equivalente a:

(3x + 5) . (3x - 5)

(3x - 5) . (3x - 5)

(3x + 5) . (3x + 5)

3x . (3x - 25)

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

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)

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

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)

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

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)

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Colocando o fator comum em evidência, no polinômio ao lado, encontramos qual resultado?

ax . (x + b)

(a - 1) . (x + b)

ax . (x - b)

(a - 1) . (x - b)

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Colocando o fator comum em evidência, no polinômio ao lado, encontramos qual resultado?

(5y - 4) . (y² + 2)

(5y + 4) . (y² + 2)

5y . (y² + 2)

4 . (y² + 5y - 2)

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

O resultado da divisão ao lado é?

5y88y73y45y^8-8y^7-3y^4

5y68y53y25y^6-8y^5-3y^2

5y48y335y^4-8y^3-3

5y38y235y^3-8y^2-3

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