
EQUAÇÃO - 7º ANO
Authored by JULIAO COSTA
Mathematics
7th Grade
Used 23+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual a alternativa que representa uma equação?
2x + 3 = 7
3 + 5 = 8
7 > 3 + 3
x + 4 < 10
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Qual é a equação representada pela situação expressa pela balança?
4x + 5 = 5x + 2
4x - 5 = 2x - 2
5x + 4 = 2x + 5
5x - 4 = 2x - 5
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Na equação: 3x + 10 = 2x - 50, qual é o segundo membro?
3x + 10
2x - 50
3x - 50
2x + 10
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Os pratos da balança estão em equilíbrio e a esfera maior possui sêxtuplo da massa da esfera menor. Qual é a massa da esfera menor, em g?
20
40
50
100
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
"O triplo de um número x subtraído desse número x é igual a 30". Qual é a equação que representa esta informação?
3x + x = 30
3x - x = 30
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Qual é o valor de b na equação: 5b + 20 = 60 - 3b?
2
3
4
5
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Qual é a raiz da equação: 5y - 10 = 40?
9
10
11
12
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