M8-Unit 6 Review (Dilations & Similar Figures)

Front

Dilation changes a shape's __________?

Back

Size

Front

Dilate Point B (4, 3) by a scale factor of 3. What are the new coordinates?

Back

(12, 9)

Front

Dilate Point B (3, -8) by a scale factor of 1/2. What are the new coordinates?

Back

(1.5, -4)

Front

What scale factor was used to produce the image if the original length is 8 and the new length is 4?

Back

1/2

Front

Find the side length X if the original side length is 30 and the scale factor is 1/2.

Back

15

Front

What is a dilation in geometry?

Back

A transformation that changes the size of a figure but not its shape.

Front

If a shape is dilated by a scale factor greater than 1, what happens to the shape?

Back

The shape increases in size.

Front

If a shape is dilated by a scale factor less than 1, what happens to the shape?

Back

The shape decreases in size.

Front

What is the scale factor if a triangle with sides 4, 6, and 8 is dilated to sides 8, 12, and 16?

Back

2

Front

What is the center of dilation?

Back

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