Dilations and Scale Factor

Front

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

Back

Multiplication

Front

What is the scale factor from the small shape to the big shape if the big shape is twice the size of the small shape?

Back

2

Front

Does a dilation produce a congruent figure?

Back

False

Front

What is the term for the ratio of a length of the new figure to the corresponding length on the original figure?

Back

Scale factor

Front

What is the definition of the figure before a transformation occurs?

Back

Pre-image

Front

What is the term for a transformation that enlarges or reduces a figure?

Back

Dilation

Front

If the scale factor is 1/2, what type of transformation is occurring?

Back

Reduction

Front

If the scale factor is greater than 1, what type of transformation is occurring?

Back

Enlargement

Front

What is the center of dilation?

Back

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

Front

If a triangle has vertices at (1, 2), (3, 4), and (5, 6), what are the new coordinates after a dilation with a scale factor of 2?

Back

(2, 4), (6, 8), (10, 12)