4-1 Intro to Dilations HW

Front

Similar figures have the same ______ but different ______.

Back

shape; sizes

Front

What is the transformation that occurs when a shape is turned around a fixed point?

Back

Rotation

Front

The green shape is a dilation of the black shape. Is it an enlargement or a reduction?

Back

Reduction

Front

Reflect the point (-1, 2) over the y-axis. What is the new coordinate?

Back

(1, 2)

Front

What transformation is shown when a shape is stretched or shrunk?

Back

Dilation

Front

What is the term for a transformation that flips a shape over a line?

Back

Reflection

Front

If a shape is enlarged by a scale factor of 2, what happens to its dimensions?

Back

They double in size.

Front

What is the scale factor in a dilation?

Back

The ratio of the length of a side of the image to the length of the corresponding side of the original figure.

Front

What is the result of a dilation with a scale factor less than 1?

Back

Reduction

Front

What is the result of a dilation with a scale factor greater than 1?

Back

Enlargement