Equações e inequações do 1o grau
Quiz
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
Wevertton Santana
Used 3+ times
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45 questions
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1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Quais das seguintes expressões não são equações?
b = 2b + b
2.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Identifique as equações cuja solução é 3:
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A equação 2(x + 1) = 5 é equivalente a:
2x + 1 = 5
2x + 2 = 10
2x = 3
2x = 5 - 1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Uma equação é uma igualdade entre dois membros e onde deve existir sempre:
vários números inteiros.
uma fração.
uma incógnita.
expressões dentro de parênteses.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual é a solução da equação 2x + 3 = 10 + x
4
6
2
7
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Indique a equação que satisfaz as seguintes condições.
1º membro : 5x – 8
Termos do 2º membro: 4 -x
4 – x = 5x -8
5x + 8 = 4 – x
5x – 8 = 4 – x
5x – 8 = 4 + x
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A solução da equação é:
3x – 9 = 0
5
7
-3
3
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