Matematica - Fatoração

Description

Exercicios de Fatoração
Pietro Stevanatto
Quiz by Pietro Stevanatto, updated more than 1 year ago
Pietro Stevanatto
Created by Pietro Stevanatto about 8 years ago
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Resource summary

Question 1

Question
(a - b)² = (a - b) . (a - b)
Answer
  • (a - b)² = a² - 2ab + b²
  • (a - b)³ = a² - 2ab + b²
  • (a - b)² - a² - 2ab + b²
  • (a - b)² = a² - 2ab + b³

Question 2

Question
(m + n).(m – n)
Answer
  • m² + n²
  • m³ – n³
  • m² – n²
  • m² – m²

Question 3

Question
x² + x - 6 = (x + 3).(x - 2)²
Answer
  • True
  • False

Question 4

Question
z² + 2xz + x²
Answer
  • (z + x)²
  • (z + x)³
  • (z + x)
  • (z - x)²

Question 5

Question
x² + xy + 2x + 2y
Answer
  • (x + 2) . (x + y)
  • (x + 2) . (x + y)³
  • (x + 2) . (x + y)²
  • (x + 2) . (x - y)

Question 6

Question
x² + 2x + xy + 2y
Answer
  • (x + y) . (x + 2)³
  • (x + y) . (x + 2)
  • (x + y),(x + 2)
  • (x + y) . (x + 3)

Question 7

Question
(a - b)² = (a - b) . (a - b) = (a - b)² = a² - 2alb + b²
Answer
  • True
  • False

Question 8

Question
6x²b + 42x² – y²b – 7y²
Answer
  • (6x² – y²) (b + 7)
  • (6x² – y²) (b + 8)
  • (6x³ – y³) (b + 7)
  • (6x – y) (b + 7)

Question 9

Question
2xy – 12x + 3by – 18b
Answer
  • (2x + 3b) . (y – 6)
  • (2x + 3b) . [y – 6]

Question 10

Question
5x + 5y + 5m + 5n
Answer
  • 5 . (x + y + m + n)
  • 5 . (x + y + n + n)

Question 11

Question
O homen na imagem é real?
Answer
  • True
  • False
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