
Equações de 1°grau
Authored by Ana Rocha
Mathematics
7th - 9th Grade
Used 12+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1) Qual das equações abaixo possui o 6 como raiz?
3x + 8 = 15
3y-2 = 22-y
10m-27 = 1+ 6m
4k-5 =k + 10
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2) Qual das sentenças abaixo é uma equação?
85- 15 = 70
5x-2 =8
20= 20
55- 15 = 40
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
3) A balança abaixo está em equilíbrio, sendo assim qual o valor de 4 x?
4
6
16
12
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
4) O dobro de um número subtraído de 20 é igual a 100. Qual é o número?
-10
-20
-30
-40
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
5) O triplo de um número adicionado ao seu dobro resulta em 600. Qual é o número?
100
120
140
160
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
6) ) Qual o valor de x ? 9x = 6x + 12
4
6
8
10
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
7) Carlos e Manoela são irmãos gêmeos. A metade da idade de Carlos mais um terço da idade de Manoela é igual a 10 anos. Qual é a soma das idades dos dois irmãos?
15 anos
22 anos
24 anos
26 anos
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