Revisão Produtos Notáveis e Fatoração II

Quiz
•
Mathematics
•
8th Grade
•
Hard
Djalma Júnior
Used 53+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Qual o valor do produto ( x + 5 )2 ?
x2 + 10
x2 + 25
x2 + 10x + 25
x2 + 5x + 25
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Sabendo que a2 + b2 = 34 e
( a + b )2 = 64, calcule o valor de 6ab, sabendo que a > 0 e b > 0.
15
30
45
90
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Resolva a expressão ( x + 1) . ( x + 2 ).
x2 + 3x + 2
x2 + 2x + 3
x2 + x + 2
x2 + x + 3
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Qual o valor da expressão ( x + y )2 - ( x2 + y2 ) ?
0
1
xy
2xy
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Calcule o valor da diferença ( x + y )2 - ( x - y )2.
0
1
2xy
4xy
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
O valor do produto acima é
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
O valor desse produto notável é
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