
Avaliação de Matemática - 8º Ano
Authored by PAULO SILVA
Mathematics
8th Grade

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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Em certa loja um livro custa x reais e um caderno custa y reais. Qual é a expressão algébrica que representa o valor total pago por Caio ao comprar 5 livros e 8 cadernos iguais a esses nessa loja?
5x + 8y
x + y + 13
xy + 40
5x – 8y
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Determine a alternativa que apresenta o valor da expressão: 0,555555... + 2/3.
5/9
7/12
5/99
11/9
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Os triângulos ABC e MNP são congruentes. Pelas indicações, determine o caso de congruência e as medidas x e y.
ALA, x = 60° e y = 30°
LLL, x = 30° e y = 90°
LAL, x = 60° e y = 30°
LAAO, x= 30° e y = 60°
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na figura, B = E e AB = DE. Nessas condições, determine as medidas x e y.
x = 4 cm e y = 5 cm
x = 5 cm e y = 4 cm
x = 9 cm e y = 1 cm
x= 20 cm e y = 9 cm
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sabendo que √10 = 3,1622776601683... é um número que tem representação decimal infinita, mas não é dízima periódica, conclui-se que √10 é um número:
natural.
inteiro.
racional.
irracional.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
No trapézio ABCD, E̅F̅ é a base média. Determine a medida x da base maior A̅B̅.
x = 29,6 cm
x = 20,5 cm
x = 14,8 cm
x= 3,8 cm
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Indique a alternativa correta. Um recipiente com a forma de um cubo com 1 dm de aresta tem capacidade de 1 litro. Então, para comportar exatamente 64 litros de água, um recipiente com a forma de cubo deve ter aresta cuja medida é:
4 dm
8 dm
16 dm
64 dm
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