
Equações
Authored by Ricardo Galbi
Mathematics
7th Grade
Used 87+ times

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22 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Para um cálculo matemático ser equação precisa de:
Igualdade e duas incógnitas obrigatoriamente.
Uma incógnita no mínimo apenas
Uma incógnita no mínimo e a igualdade
a letra x obrigatoriamente
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual das opções a seguir não corresponde a uma equação?
x = 2x + 4
2x - 8 = x + 3
9 x + 3
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual das opções a seguir corresponde a uma equação?
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Quantos membros tem uma equação?
1
2
3
4
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A incógnita de uma equação é representado geralmente por uma letra e obrigatoriamente sempre será a letra x.
Essa afirmação é verdadeira.
Essa afirmação é falsa.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual o valor de x na equação 2x = 10 ?
-5
5
0,2
-0,2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Qual o valor de x na equação 10x = 5 ?
2
-2
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