Equações do 1° grau com duas incógnitas
Quiz
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
Renata Meirielly
Used 48+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
x = 1 e y = 0 é solução da equação 2x - y = 1.
Verdadeiro
Falso
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Marque a alternativa em que os valores de x e y representam a solução da equação x + y = 4.
x = 4 e y = 1
x = 1 e y = 3
x = 1 e y = 4
x = 3 e y = - 1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
x = 2 e y = 4 é solução para a equação y = 2x.
Verdadeiro
Falso
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A equação 2x + 3y = 10, admite como solução
x = 2 e y = 1
x = 2 e y = 2
x = 3 e y = 1
x = 5 e y = -1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tenho 20 brigadeiros e quero dividir entre duas pessoas. A equação que modela a situação é dada por:
x + y = 10
2x + y = 20
x + y = 20
x - y = 20
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual o grau dessa equação 3x² + 4x + 1 = 0?
1°
2°
3°
4°
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Marque a alternativa correta de acordo com a seguinte equação: 9x + 8 = 14x + 10.
9x + 8 é o segundo membro da equação.
Essa equação tem duas incógnitas.
14x + 10 é o segundo membro da equação.
Essa equação é do 2° grau.
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