
equação do 1º e 2 º grau
Authored by DIEGO SANTOS
Mathematics
10th Grade
Used 2+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na matemática, qual conteúdo trabalha com a ideia de equilíbrio?
Álgebra
Geometria
Estatística
Equações
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O método de resolução para equações do 1º grau é:
substituição
eliminação
fatoração
isolamento da variável
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a solução da equação 3x + 2 = 5x - 7?
x = -4.5
x = 4.5
x = -2.5
x = 2.5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
y = 0
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O valor numérico de x que satisfaz a equação 3x + 4 = 5x – 8 é:
2
3
4
5
6
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
A soma dos ângulos internos de um triângulo é sempre igual a 180°. Se um ângulo desse triângulo mede 3x + 4°, outro mede 2x – 15° e o terceiro ângulo mede 86°, então a medida de x é:
20
21
22
23
24
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Em uma empresa, um terço dos funcionários são mulheres e 94 funcionários são homens. O número de funcionários dessa empresa é igual a:
282
141
64
47
32
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