
Quiz sobre Sistemas Lineares
Authored by ELIZANGELA FUERST
Mathematics
1st Grade

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Resolva o sistema linear escalonado: \[ \begin{cases} x + y = 2 \\ 2x + 3y = 5 \end{cases} \]
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identifique a variável dependente no sistema: \[ \begin{cases} x + 2y = 4 \\ 3x - y = 1 \end{cases} \]
Nenhuma
Ambas
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual operação básica pode ser aplicada para simplificar o sistema: \[ \begin{cases} 2x + 4y = 8 \\ x + 2y = 4 \end{cases} \]
Multiplicar a segunda equação por 2
Subtrair a segunda equação da primeira
Somar as duas equações
Dividir a primeira equação por 2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Resolva o sistema linear escalonado: \[ \begin{cases} x - y = 1 \\ x + y = 3 \end{cases} \]
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a solução do sistema: \[ \begin{cases} 3x + 2y = 6 \\ 6x + 4y = 12 \end{cases} \]
Infinitas soluções
Nenhuma solução
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identifique a variável independente no sistema: \[ \begin{cases} x + y = 5 \\ 2x - y = 1 \end{cases} \]
Nenhuma
Ambas
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual operação básica pode ser aplicada para resolver o sistema: \[ \begin{cases} x + 3y = 7 \\ 2x + 6y = 14 \end{cases} \]
Multiplicar a primeira equação por 2
Subtrair a primeira equação da segunda
Somar as duas equações
Dividir a segunda equação por 2
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