
Desafios em Sistemas Lineares e Matrizes
Authored by luiz cordova
Mathematics
10th Grade
Used 1+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Resolva o seguinte sistema linear: \[ \begin{cases} 2x + y = 5 \\ x - y = 1 \end{cases} \]
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcule o determinante da matriz: \[ \begin{bmatrix} 1 & 2 \\ 3 & 4 \end{bmatrix} \]
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a matriz transposta de \[ \begin{bmatrix} 1 & 4 \\ 2 & 5 \\ 3 & 6 \end{bmatrix} \]?
$\begin{bmatrix} 1 & 2 & 3 \\ 4 & 5 & 6 \end{bmatrix}$
$\begin{bmatrix} 1 & 4 \\ 2 & 5 \\ 3 & 6 \end{bmatrix}$
$\begin{bmatrix} 6 & 5 & 4 \\ 3 & 2 & 1 \end{bmatrix}$
$\begin{bmatrix} 1 & 3 \\ 2 & 4 \\ 5 & 6 \end{bmatrix}$
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcule o determinante da matriz: \[ \begin{bmatrix} 2 & 0 \\ 1 & 3 \end{bmatrix} \]
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o resultado da soma das matrizes \[ \begin{bmatrix} 1 & 2 \\ 3 & 4 \end{bmatrix} + \begin{bmatrix} 4 & 3 \\ 2 & 1 \end{bmatrix} \]?
$\begin{bmatrix} 5 & 5 \\ 5 & 5 \end{bmatrix}$
$\begin{bmatrix} 4 & 5 \\ 5 & 4 \end{bmatrix}$
$\begin{bmatrix} 1 & 2 \\ 3 & 4 \end{bmatrix}$
$\begin{bmatrix} 3 & 1 \\ 1 & 3 \end{bmatrix}$
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Resolva o sistema linear: \[ \begin{cases} x + y = 4 \\ x - y = 2 \end{cases} \]
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