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Desafios em Sistemas Lineares e Matrizes

Authored by luiz cordova

Mathematics

10th Grade

Used 1+ times

Desafios em Sistemas Lineares e Matrizes
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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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