Produtos notáveis
Quiz
•
Mathematics
•
8th Grade - University
•
Practice Problem
•
Hard
Suzana Freitas
Used 36+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Qual a expansão correta de (x + 3)² ?
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Qual a expansão correta de (x - 7)² ?
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Qual é a área de um quadrado cujo lado mede a + 5b ?
a2 + 5b2
a2 + 25b2
a2 - 10ab + 25b2
a2 + 10ab + 25b2
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Desenvolvendo algebricamente o produto (x + 5).(x - 5) obtemos
2x
x2
x2 + 25
x2 - 25
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
(2p + q)²
4p² + 2q + q²
p² + 4pq + q
4p² + 4pq + q²
2p² + 2pq + 2q²
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
O valor do produto notável (x + 2y)2 é
x2 + 4xy + 2y2
x2 + 2xy + 2y2
x2 + 4xy + 4y2
x2 - 4xy + 2y2
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Quanto vale o produto (40 + 1).(40 - 1)
159
1599
1600
1601
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