Quiz about 2º Trimestre| Avaliação 1| Educação financeira|

Question 1

Calcule o produto das matrizes $$A = \begin{pmatrix} 1 & 2 \ 3 & 4 \end{pmatrix}$$ e $$B = \begin{pmatrix} 2 & 0 \ 1 & 2 \end{pmatrix}$$ .

Accepted Answer

$$\begin{pmatrix} 4 & 4 \ 10 & 8 \end{pmatrix}$$

Answer

$$\begin{pmatrix} 2 & 4 \ 6 & 8 \end{pmatrix}$$

Answer

$$\begin{pmatrix} 3 & 2 \ 7 & 6 \end{pmatrix}$$

Question 2

Calcule o produto das matrizes $$A = \begin{pmatrix} 0 & 1 \ 2 & 3 \end{pmatrix}$$ e $$B = \begin{pmatrix} 1 & 2 \ 3 & 4 \end{pmatrix}$$ .

Accepted Answer

$$\begin{pmatrix} 3 & 4 \ 9 & 14 \end{pmatrix}$$

Answer

$$\begin{pmatrix} 3 & 4 \ 11 & 16 \end{pmatrix}$$

Answer

$$\begin{pmatrix} 1 & 2 \ 5 & 6 \end{pmatrix}$$

Answer

$$\begin{pmatrix} 2 & 3 \ 7 & 10 \end{pmatrix}$$

Question 3

Calcule o produto das matrizes $$A = \begin{pmatrix} 1 & 0 \ 0 & 1 \end{pmatrix}$$ e $$B = \begin{pmatrix} 5 & 6 \ 7 & 8 \end{pmatrix}$$ .

Accepted Answer

$$\begin{pmatrix} 5 & 6 \ 7 & 8 \end{pmatrix}$$

Answer

$$\begin{pmatrix} 12 & 14 \ 16 & 18 \end{pmatrix}$$

Answer

$$\begin{pmatrix} 1 & 0 \ 0 & 1 \end{pmatrix}$$

Answer

$$\begin{pmatrix} 0 & 0 \ 0 & 0 \end{pmatrix}$$

Question 4

Calcule o produto das matrizes $$A = \begin{pmatrix} 2 & 3 \ 4 & 5 \end{pmatrix}$$ e $$B = \begin{pmatrix} 1 & 0 \ 0 & 1 \end{pmatrix}$$ .

Accepted Answer

$$\begin{pmatrix} 2 & 3 \ 4 & 5 \end{pmatrix}$$

Answer

$$\begin{pmatrix} 1 & 0 \ 0 & 1 \end{pmatrix}$$

Answer

$$\begin{pmatrix} 2 & 0 \ 0 & 5 \end{pmatrix}$$

Answer

$$\begin{pmatrix} 4 & 6 \ 8 & 10 \end{pmatrix}$$

Question 5

Calcule o produto das matrizes $$A = \begin{pmatrix} 1 & 2 \ 3 & 4 \end{pmatrix}$$ e $$B = \begin{pmatrix} 0 & 1 \ 1 & 0 \end{pmatrix}$$ .

Accepted Answer

$$\begin{pmatrix} 2 & 1 \ 4 & 3 \end{pmatrix}$$

Answer

$$\begin{pmatrix} 1 & 0 \ 0 & 1 \end{pmatrix}$$

Question 6

Calcule o produto das matrizes $$A = \begin{pmatrix} 3 & 4 \ 5 & 6 \end{pmatrix}$$ e $$B = \begin{pmatrix} 1 & 2 \ 3 & 4 \end{pmatrix}$$ .

Accepted Answer

$$\begin{pmatrix} 15 & 22 \ 23 & 34 \end{pmatrix}$$

Answer

$$\begin{pmatrix} 13 & 20 \ 29 & 40 \end{pmatrix}$$

Answer

$$\begin{pmatrix} 15 & 22 \ 33 & 46 \end{pmatrix}$$

Answer

$$\begin{pmatrix} 13 & 20 \ 31 & 44 \end{pmatrix}$$

Question 7

Calcule o produto das matrizes $$A = \begin{pmatrix} 2 & 0 \ 1 & 3 \end{pmatrix}$$ e $$B = \begin{pmatrix} 4 & 1 \ 2 & 2 \end{pmatrix}$$ .

Accepted Answer

$$\begin{pmatrix} 8 & 2 \ 10 & 6 \end{pmatrix}$$

Answer

$$\begin{pmatrix} 8 & 2 \ 10 & 7 \end{pmatrix}$$

Answer

$$\begin{pmatrix} 8 & 2 \ 7 & 6 \end{pmatrix}$$

Answer

$$\begin{pmatrix} 8 & 2 \ 7 & 7 \end{pmatrix}$$

Question 8

Calcule o produto das matrizes $$A = \begin{pmatrix} 1 & 1 \ 1 & 1 \end{pmatrix}$$ e $$B = \begin{pmatrix} 2 & 2 \ 2 & 2 \end{pmatrix}$$ .

Accepted Answer

$$\begin{pmatrix} 4 & 4 \ 4 & 4 \end{pmatrix}$$

Answer

$$\begin{pmatrix} 2 & 2 \ 2 & 2 \end{pmatrix}$$

Answer

$$\begin{pmatrix} 3 & 3 \ 3 & 3 \end{pmatrix}$$

Answer

$$\begin{pmatrix} 1 & 1 \ 1 & 1 \end{pmatrix}$$

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