Dilations and Scale Factors

Front

What happens to a figure when the scale factor is greater than 1?

Back

The figure undergoes an enlargement.

Front

What is the definition of dilations in mathematical terms?

Back

Dilations refer to the transformation that makes a figure larger or smaller.

Front

What is the image of point B (4,9) under a dilation with center at the origin and scale factor of 2?

Back

B' (8, 18)

Front

Is a dilation that results in a larger figure called an enlargement or a reduction?

Back

Enlargement.

Front

True or False: A dilation produces a similar figure.

Back

True.

Front

What is the scale factor if a figure is reduced to half its size?

Back

The scale factor is 1/2.

Front

If the scale factor is less than 1, what type of transformation occurs?

Back

A reduction.

Front

What is the scale factor in a dilation that triples the size of a figure?

Back

The scale factor is 3.

Front

How do you find the coordinates of a dilated point?

Back

Multiply each coordinate of the original point by the scale factor.

Front

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

Back

The figure remains unchanged.