Dilations

Front

A dilation is which of the following: only an enlargement, only a reduction, either an enlargement or a reduction, neither an enlargement or a reduction?

Back

Either an enlargement or a reduction

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)

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

In a dilation, what mathematical operation is used with the scale factor?

Back

multiplication

Front

Similar figures have the same ______ but different ______.

Back

shape; sizes

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) B(6,6) C(9,3)?

Back

A'(9,9) B'(18,18) C'(27,9)

Front

Is this an enlargement or reduction? (blue = original image)

Back

enlargement

Front

If point is at N(-1, 2) and point is at N'(-2, 4), what scale factor was point N multiplied by?

Back

2