
Quiz sobre Equações e Funções do Primeiro Grau
Quiz
•
Mathematics
•
12th Grade
•
Hard
Rafael Lins
Used 2+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a forma geral de uma equação do primeiro grau com uma incógnita?
ax^2 + b = 0
ax + b = 0
ax + by = c
a + bx = 0
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Para resolver a equação ax + b = 0, qual é o primeiro passo?
Subtrair b dos dois lados
Multiplicar ambos os lados por b
Dividir ambos os lados por a
Adicionar a aos dois lados
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a solução da equação 2x + 3 = 0?
x = -2/3
x = -3/2
x = 3/2
x = 2/3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a forma geral de uma equação do primeiro grau com duas incógnitas?
ax^2 + by = c
ax + by = c
a + bx = c
ax + b = 0
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que representa uma equação do primeiro grau com duas incógnitas no plano cartesiano?
Uma parábola
Uma hipérbole
Uma reta
Um círculo
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual método envolve isolar uma variável em uma das equações e substituí-la na outra?
Método da Adição
Método da Substituição
Método da Multiplicação
Método da Eliminação
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a solução do sistema de equações 2x + 3y = 6 e x - y = 1 usando o método da substituição?
x = 1, y = 2
x = 2, y = 1
x = 9/5, y = 4/5
x = 4/5, y = 9/5
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