8º ano revisão sistema
Quiz
•
Mathematics
•
8th Grade
•
Hard
Lobão Alexandrino
Used 5+ times
FREE Resource
Enhance your content in a minute
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
Qual a coordenada do ponto A?
(1,3)
(0,2)
(2,0)
(2,1)
2.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
Num estacionamento há carros e motas, totalizando 78 veículos. O número de carros é igual a 5 vezes o número de motas. O número de motas no estacionamento é:
65
13
55
11
3.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
A solução do sistema
x + y = 12
x - y = - 2
é:
S={(10,2)}
S={(6,6)}
S={(7,5)}
S={(5,7)}
4.
MULTIPLE SELECT QUESTION
5 mins • 2 pts
Quais pares ordenados são soluções da equação 3x + 2y = 16?
(2, 5)
(5, 2)
(4, 2)
(3, 1)
5.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
Um teste é composto por 20 questões classificadas em verdadeiras ou falsas. O número de questões verdadeiras supera o número de questões falsas em 4 unidades. Sendo x o número de questões verdadeiras e y o número de questões falsas, o sistema associado a esse problema é:
6.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
Na promoção de uma loja, uma calça e uma camiseta custam juntas R$ 55,00. Comprei 3 calças e 2 camisetas, pagando o total de R$ 140,00. O preço de cada calça e cada camiseta, respectivamente, é:
R$ 35,00 e R$ 20,00
R$ 20,00 e R$ 35,00
R$ 25,00 e R$ 30,00
R$ 30,00 e R$ 25,00
R$ 35,00 e R$ 35,00
7.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
A soma de dois números é 38. A diferença entre eles é 10. Qual o valor do menor dos números?
4
14
24
34
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