
Trabalho - 1802 - 4º bim
Authored by Matemática Tecnologia
Mathematics
8th Grade
CCSS covered
Used 2+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Colocando o fator comum em evidência na expressão ax + ay temos
a . ( x + y )
ax . ( 1 + y )
ay . ( x + 1 )
não tem fator comum
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Qual a forma fatorada do polinômio
7x + 7y + bx + by ?
( 7 + x ) . ( 7 + y )
( 7 + x ) . ( 7 - y )
( 7 + a ) . ( x + y )
( x + y ) . ( 7 + b )
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Qual método de fatoração é usado para fatorar a expressão x2 - 144 ?
quadrado da diferença de dois termos
diferença de dois quadrados
quadrado da soma de dois termos
soma de dois quadrados
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
fatore a expressão 81a2 - 18a + 1 .
(9a + 1).(9 - 1)
(9 - 1)2
(9a - 1).(9 - 1)
(9a - 1)2
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Qual o método utilizado para fatorar a expressão 81a2 - 18a + 1?
quadrado da diferença de dois termos
diferença de dois quadrados
quadrado da soma de dois termos
soma de dois termos
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Qual a soma dos ângulo internos de um pentágono (5 lados)?
720°
900°
540°
820°
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
como se chama um polígono de 12 lados?
dodecágono
icoságono
pentadecágono
quadrilátero
Tags
CCSS.2.G.A.1
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