6153742
Description
Quiz by Pietro Stevanatto, updated more than 1 year ago
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Created by Pietro Stevanatto
about 8 years ago
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Question 1
Question
(a - b)² = (a - b) . (a - b)
Answer
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(a - b)² = a² - 2ab + b²
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(a - b)³ = a² - 2ab + b²
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(a - b)² - a² - 2ab + b²
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(a - b)² = a² - 2ab + b³
Question 2
Question
(m + n).(m – n)
Answer
-
m² + n²
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m³ – n³
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m² – n²
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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
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(z + x)³
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(z + x)
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(z - x)²
Question 5
Question
x² + xy + 2x + 2y
Answer
-
(x + 2) . (x + y)
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(x + 2) . (x + y)³
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(x + 2) . (x + y)²
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(x + 2) . (x - y)
Question 6
Question
x² + 2x + xy + 2y
Answer
-
(x + y) . (x + 2)³
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(x + y) . (x + 2)
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(x + y),(x + 2)
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(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)
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(6x² – y²) (b + 8)
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(6x³ – y³) (b + 7)
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(6x – y) (b + 7)
Question 9
Question
2xy – 12x + 3by – 18b
Answer
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(2x + 3b) . (y – 6)
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(2x + 3b) . [y – 6]
Question 10
Question
5x + 5y + 5m + 5n
Answer
-
5 . (x + y + m + n)
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5 . (x + y + n + n)
Question 11
Answer
- True
- False
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