Math 8: 2.1-4 Review, Dilations

Front

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

Back

True

Front

A dilation produces a congruent figure.

Back

False

Front

Definition: The figure before a transformation has occurred.

Back

Pre-image

Front

If two figures are similar, the corresponding sides are ______________.

Back

proportional

Front

To dilate point C from a center of P with a scale factor of 3, from P go _______.

Back

down 3, right 9

Front

What is the scale factor in a dilation that reduces a figure to half its size?

Back

0.5

Front

In a dilation, what happens to the angles of the figure?

Back

The angles remain the same.

Front

What is the term for the figure after a transformation has occurred?

Back

Image

Front

If a triangle has sides of lengths 3, 4, and 5, what are the lengths of the sides after a dilation with a scale factor of 2?

Back

6, 8, 10

Front

What is the center of dilation?

Back

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