
Recuperação - Produtos Notáveis
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
Used 2+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
1. A figura abaixo representa um quadrado. As partes pintadas também são quadrados. Determine a área total da figura.
a) a² + 18a + 81
b) a² - 18a + 81
c) a² + 18a - 81
d) a² - 18a - 81
2.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
2. Aplicando o produto notável corretamente em
(2x – 4)², obtemos:
a) 2x² -16
b) 4x² - 16x - 16
c) -2x²
d) 4x² - 16x + 16
3.
MATCH QUESTION
1 min • 2 pts
3. Determine as áreas I(1), II(2), III(3) e IV(4) e relacione as respostas:
3
5x
4
5x
1
x²
2
25
4.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
4. Qual é a área do quadrado maior?
a) 6x²
b) 6x
c) 36
d) 12x
5.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
5. Um terreno quadrado tem lados medindo (x + 6) metros. Determine a área deste terreno.
a) x² + 25
c) x² + 10x + 25
b) x² + 10 x + 10
d) x² + 5x + 25
6.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
6. A aplicação correta do produto notável na expressão ( a – 2b) . (a + 2b) é:
a) a² - 2b²
b) a² - 4ab + b²
c) a² - 4b²
d) a² - 4ab + 4b²
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
7. O polinômio 4a² - 4ab + b² pode ser representado através de qual multiplicação.
a) (2a – b)²
b) (a – b)²
c) (2a + b)²
d) (a + b)²
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