
Desvendando Sistemas Escalonados
Quiz
•
Mathematics
•
2nd Grade
•
Practice Problem
•
Easy
DENISE LIMA
Used 1+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Considere o sistema escalonado abaixo. Qual é o valor de <katex latex="x"></katex>? \[ \begin{cases} x + 2 = 5 \\ \end{cases} \]
<katex latex="1"></katex>
<katex latex="2"></katex>
<katex latex="3"></katex>
<katex latex="4"></katex>
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
No sistema abaixo, qual é a variável desconhecida? \[ \begin{cases} y + 4 = 7 \\ \end{cases} \]
<katex latex="x"></katex>
<katex latex="y"></katex>
<katex latex="z"></katex>
<katex latex="w"></katex>
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Resolva o sistema escalonado e encontre o valor de <katex latex="x"></katex>: \[ \begin{cases} x - 1 = 4 \\ \end{cases} \]
<katex latex="3"></katex>
<katex latex="4"></katex>
<katex latex="5"></katex>
<katex latex="6"></katex>
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual operação básica você deve usar para isolar <katex latex="x"></katex> na equação <katex latex="x + 3 = 8"></katex>?
Multiplicação
Divisão
Subtração
Adição
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Verifique se <katex latex="x = 6"></katex> é solução da equação <katex latex="x - 2 = 4"></katex>.
Sim
Não
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o valor de <katex latex="x"></katex> na equação <katex latex="2x = 8"></katex>?
<katex latex="2"></katex>
<katex latex="3"></katex>
<katex latex="4"></katex>
<katex latex="5"></katex>
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
No sistema escalonado abaixo, qual é o valor de <katex latex="y"></katex>? \[ \begin{cases} y + 5 = 10 \\ \end{cases} \]
<katex latex="3"></katex>
<katex latex="4"></katex>
<katex latex="5"></katex>
<katex latex="6"></katex>
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