Equações 7.º
Quiz
•
Mathematics
•
7th Grade
•
Hard
Cristina Novais
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
A solução da equação 9+8a-4=7a+26
6
-6
21
-21
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
A equação 3a+4=7-5a-3 classifica-se de:
Impossível
Possível e determinada
Possível e indeterminada
Não sei
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Seleciona a equação possível e indeterminada
1+x=x+2
2x+2=2+2x
2x=0
-x=-1
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
A equação impossível é:
2c+5=2c-4
x+7=10-x+1
3x=0
4x=-8
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
A equação 2x + 2 = 5 é equivalente a:
2x = 5+2
2x + 2 = 10
2x=3
x = 5 - 2
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
A solução da equação 3a+4=7-5a-3 é:
8
0
-8
Nenhuma das opções
7.
FILL IN THE BLANK QUESTION
1 min • 5 pts
Solução é um número que colocado no lugar da ......... transforma a equação numa igualdade numérica verdadeira
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