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anyanavicka [17]
3 years ago
12

Which of the following rules best describes the matrix below? (Picture)

Mathematics
2 answers:
charle [14.2K]3 years ago
8 0

Answer:

The correct option is b.

Step-by-step explanation:

The rule of rotation of 90° counterclockwise about the origin is defined by the matrix

\begin{bmatrix}0 &-1 \\ 1 & 0\end{bmatrix}

The rule of reflection of the line y=x is defined by the matrix

\begin{bmatrix}0 &1 \\ 1 & 0\end{bmatrix}

The rule of rotation of 180° about the origin is defined by the matrix

\begin{bmatrix}-1 &0 \\ 0 & -1\end{bmatrix}

The rule of translation of 1 unit left and 1 unit up is defined by the matrix

\begin{bmatrix}1 &0 \\ 0 & 1\end{bmatrix}

Only the rule of reflection of the line y=x is defined by the given matrix, therefore the correct option is b.

alexdok [17]3 years ago
3 0

Answer:

option b

reflection over the line y = x

Step-by-step explanation:

Matrix for every option is mention below

a)

rotation of 90° counter clockwise about the origin

0    -1

1     0

b)

rotation of 180° about the origin

-1    0

0    -1

c)

for a reflection in the line y=x

0    1

1     0

d)

translation 1 unit left and 1 unit up

1      0

0     1

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