
Desvendando Sistemas de Equações
Quiz
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
FERNANDO FREDERICO
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Resolva o seguinte sistema de equações lineares: \[ \begin{cases} 2x + 3y = 6 \\ x - y = 1 \end{cases} \]
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a constante no sistema de equações abaixo? \[ \begin{cases} 4x + 5y = 20 \\ 3x - 2y = 6 \end{cases} \]
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a solução gráfica do sistema de equações: \[ \begin{cases} y = 2x + 1 \\ y = -x + 4 \end{cases} \]
As retas são paralelas
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identifique as variáveis no sistema de equações: \[ \begin{cases} 3a + 4b = 12 \\ 5a - b = 7 \end{cases} \]
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Utilize o método da substituição para resolver o sistema: \[ \begin{cases} x = 2y + 3 \\ 3x + y = 9 \end{cases} \]
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o método da adição para resolver o sistema: \[ \begin{cases} x + 2y = 8 \\ 2x - 2y = 4 \end{cases} \]
Somar as duas equações
Subtrair a primeira equação da segunda
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a solução do sistema de equações: \[ \begin{cases} x + y = 5 \\ x - y = 1 \end{cases} \]
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