Casos Notáveis da Multiplicação

Quiz
•
Mathematics
•
9th Grade
•
Medium
Eunice Paulo
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o resultado de (a + b)²?
(a - b)²
a² + 2ab + b²
2a + 2b
a² + b²
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Como se calcula (a - b)²?
a² - 2ab + b²
a² - b²
(a + b)²
a² + 2ab + b²
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a fórmula para (a + b)(a - b)?
a² - 2b
a² - b²
ab
a² + b²
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que representa o produto (x + 2y)(x + 2y)?
x² + 2y
x² + 4xy + 4y²
x² + y²
2xy + y²
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o resultado de (2x + 3)(2x - 3)?
2x² - 6
4x² - 9
8x² - 9
4x² + 9
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Como se expande (x + 5)²?
x² + 5x + 5
x² + 10x + 25
x² + 10x + 20
x² + 15x + 25
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o resultado de (3a + 4)(3a - 4)?
9a² - 8
9a² + 16
6a² - 12
9a² - 16
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