Dilations Flashcard

Front

What are the coordinates of the image of point B (4, 9) where the center of dilation is the origin and the scale factor is 2?

Back

(8, 18)

Front

After a shape has been dilated, the angles are:

Back

Congruent

Front

What is the term for the amount a shape is dilated by?

Back

Scale factor

Front

Choose the correct scale factor that dilates DNPM onto D'N'P'M'.

Back

2

Front

What is FALSE about dilations?

Back

Dilations can only occur with whole number scale factors.

Front

What is a dilation in geometry?

Back

A transformation that alters the size of a shape but keeps its proportions.

Front

If the scale factor is greater than 1, what type of dilation occurs?

Back

Enlargement

Front

If the scale factor is between 0 and 1, what type of dilation occurs?

Back

Reduction

Front

What remains unchanged during a dilation?

Back

The shape's angles.

Front

What is the effect of a scale factor of 1 on a shape?

Back

The shape remains unchanged.