A figure is graphed in the coordinate plane. Which pair of transformations will NOT preserve the size and the shape of the figure?

A. Reflect the figure over the line y = x and then translate it 2 units up

B. Translate the figure 3 units to the left and then dilate by a scale factor of 4

C. Rotate 90 degrees counterclockwise and then dilate by a scale factor of 1

To state the figure 180 degrees counter-clockwise about the origin and then reflect it over the y-axis

Respuesta :

The transformations which is NOT preserve the size and the shape of the figure is dilate by a scale factor of 4 (B) and dilate by a scale factor of 1 (C).

What is the dilation of the figure?

Dilation of a figure, means the transformation of the figure. The factor by which the given figure dilated, called the scale factor of dilation.

When a figure is dilated, the size of the original figure is changed.

A figure is graphed in the coordinate plane. Let's check all the option for the transformation of original figure.

  • A. Reflect the figure over the line y = x and then translate it 2 units up- Reflection and translation of a figure does not changes its shape and size.
  • B. Translate the figure 3 units to the left and then dilate by a scale factor of 4- With the scale factor of dilation, the size of the figure will be changed for this case.
  • C. Rotate 90 degrees counterclockwise and then dilate by a scale factor of 1- In this case, there the figure is dilated with a scale factor of 1. This will change the size of the original figure.
  • D. To state the figure 180 degrees counterclockwise about the origin and then reflect it over the y-axis- In this case the shape and size does not change.

Hence, the transformations which is NOT preserve the size and the shape of the figure is dilate by a scale factor of 4 (B) and dilate by a scale factor of 1 (C).

Learn more about the dilation of the figure here;

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