Dilations

Front

What mathematical operation is used with the scale factor in a dilation?

Back

Multiplication

Front

A dilation can produce a smaller figure also known as a ______.

Back

Reduction

Front

If Triangle DOG has coordinates D (0,0), O (0,4), and G (1,5), where is O' after a dilation of scale factor 7?

Back

(0,28)

Front

What does dilation mean?

Back

Enlarge or reduce, similar, multiply - All the above.

Front

If segment AB is 3 units long, how long would segment A'B' be if it were dilated by a factor of 5?

Back

15

Front

What is the scale factor in a dilation?

Back

The ratio of the length of the image to the length of the original figure.

Front

What is the center of dilation?

Back

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

Front

What happens to the angles of a figure during a dilation?

Back

The angles remain the same.

Front

If a figure is dilated by a scale factor less than 1, what type of transformation occurs?

Back

Reduction.

Front

If a figure is dilated by a scale factor greater than 1, what type of transformation occurs?

Back

Enlargement.