Dilations and Scale Factor

Front

Definition: The figure after a transformation has occurred.

Back

Image

Front

A dilation produces a congruent figure. True or False?

Back

False

Front

What is the scale factor from the small shape to the big shape if the scale factor is 2?

Back

2

Front

Dilate the figure by a scale factor of 3 with the origin as the center of dilation. What are the coordinates of the image for A(3,3)?

Back

A'(9,9)

Front

What is the scale factor if the dilation enlarges a figure by 3 times?

Back

3

Front

Definition: A transformation that enlarges or reduces a figure by a scale factor.

Back

Dilation

Front

If the scale factor is 1/2, what happens to the size of the figure?

Back

The figure is reduced to half its size.

Front

What is the scale factor if a figure is enlarged from a size of 4 to a size of 12?

Back

3

Front

If a figure is dilated by a scale factor of 2, what is the new area if the original area is 5 square units?

Back

20 square units (Area scales by the square of the scale factor).

Front

What is the center of dilation?

Back

The fixed point in a dilation from which all points are expanded or contracted.