
PRODUTOS NOTÁVEIS
Authored by Rodrigo Ferreira
Mathematics
8th Grade
Used 15+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Determine a área do retângulo
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Um estudante afirma que (a + b)³ = a³ + b³
Ele está correto pois o expoente é distributivo para soma.
Ele está correto, apesar de o expoente não ser distributivo para soma.
Ele está incorreto pois (a + b)³ = a³ + 3ab + b³
Ele está incorreto pois (a + b)³ = a³ + 3a²b + 3ab² + b³
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Qual expressão representa (x + 1)³?
X³ + 1
X³ + 3x² + 1
X³ + 3x² + 3x + 1
7x³ + 1
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Resolva o produto notável (2x-y)²
4x²-y²
4x²-4xy-y²
4x²+y²
4x²-4xy+y²
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Resolva: (x+4)²
x² + 8x + 16
x² + 16
x² + 8x - 16
x² - 16
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Resolva: (x-3)²
x²-3x + 9
x²+6x + 9
x²-6x + 9
x²+3x + 9
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
81 + 18x + x²
81 + x²
81 - x²
81 - 18x + x²
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