Question

What happens to the figure when you dilate by a scale factor greater than 1 What do you notice about the image What are the similarities or differences?

Answer 1

When you dilate by a scale factor greater than the image is an enlargement (a stretch).

What is dilation?

A dilation is a transformation that creates an image that has the same shape as the original but is larger.

• An enlargement is a dilation that produces a larger image.

• A reduction is a dilation that produces a smaller image.

• A dilation expands or contracts the original figure.

A description of a dilation includes the scale factor (or ratio) and the center of the dilation.

• The center of dilation is a fixed point in the plane.

• If the scale factor is greater than 1, the image is an enlargement (a stretch).

• If the scale factor is between 0 and 1, the image is a reduction (a shrink).

• If the scale factor is 1, the figure and the image are congruent.

hence, when you dilate by a scale factor greater than the image is an enlargement (a stretch).

To learn more about the dilation visit,

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