
Atividades de Matemática - Equações Básicas
Quiz
•
Mathematics
•
2nd Grade
•
Practice Problem
•
Medium
GRICEL OLIVEIRA
Used 1+ times
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50 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o valor de x se x + 3 = 10?
6
7
8
9
Answer explanation
To solve for x in the equation x + 3 = 10, subtract 3 from both sides. This gives x = 10 - 3, which simplifies to x = 7. Therefore, the correct answer is 7.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Encontre o valor de x
15
17
16
18
Answer explanation
Para encontrar o valor de x, resolvemos a equação dada. Após os cálculos, encontramos que x = 17 é a solução correta, pois satisfaz as condições da equação.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3. 3x = 21
6
7
8
9
Answer explanation
To solve for x in the equation 3x = 21, divide both sides by 3. This gives x = 21 / 3, which simplifies to x = 7. Therefore, the correct answer is 7.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
x/2 = 5
8
9
10
11
Answer explanation
To solve for x, multiply both sides by 2: x = 5 * 2. This gives x = 10, which is the correct answer.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Abaixo estão 50 questões de nível básico sobre equações. As 25 primeiras envolvem encontrar o valor de x sem parênteses, e as 25 seguintes envolvem expressões com parênteses, sem incógnitas. Parte 1: Encontre o valor de x 5. x - 8 = 4
10
12
14
16
Answer explanation
Para resolver a equação x - 8 = 4, adicione 8 a ambos os lados: x = 4 + 8. Portanto, x = 12, que é a resposta correta.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Abaixo estão 50 questões de nível básico sobre equações. As 25 primeiras envolvem encontrar o valor de x sem parênteses, e as 25 seguintes envolvem expressões com parênteses, sem incógnitas. Parte 1: Encontre o valor de x 6. x + 6 = 18
10
11
Answer explanation
Para resolver a equação x + 6 = 18, subtraímos 6 de ambos os lados: x = 18 - 6. Isso resulta em x = 12. Portanto, a resposta correta é 10.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2x = 14
6
7
8
9
Answer explanation
To solve for x in the equation 2x = 14, divide both sides by 2. This gives x = 14 / 2 = 7. Therefore, the correct answer is 7.
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