Dilations and Scale Factor

Front

What is a dilation?

Back

The process of making a polygon larger or smaller without changing its shape

Front

Does a dilation produce a congruent figure?

Back

False

Front

When a dilation has a scale factor greater than one, the dilation is an enlargement.

Back

True

Front

When the scale factor of a dilation is less than one, the dilation is a reduction.

Back

True

Front

A scale factor of 1/2 reduces a figure.

Back

True

Front

In a dilation, what mathematical operation is used with the scale factor? Options: addition, subtraction, multiplication, division

Back

multiplication

Front

Formula for scale factor?

Back

Front

The point A (8, 12) was dilated to become point A' (2, 3). What was the scale factor?

Back

¼

Front

Coordinate of the image of point G (-10,-6) under dilation with center at origin, scale factor 1/2.

Back

G' (-5,-3)

Front

Coordinate of the image of point B (4,9) under dilation with center at origin and scale factor of 2.

Back

B' (8 ,18)