Dilate a Figure with the Center at the Origin

A dilation can produce a larger figure or a(n)______
use a synonym for larger

• reduction

• enlargement

• scale factor

• center of dilation

How do you write the algebraic notation when the scale factor is 3?

• (x, y) goes to (1/3x, 1/3y)

• (x, y) goes to (-3x, -3y)

• (x, y) goes to (x + 3, y + 3)

• (x, y) goes to (3x, 3y)

How do you write the algebraic notation when the scale factor is 1/2?

• (x, y) goes to (2x, 2y)

• (x, y) goes to (1/2x, 1/2y)

• (x, y) goes to (-2x, -2y)

• (x, y) goes to (2x, 1/2y)

The __________ is the ratio of a length of the new figure to the corresponding length on the original figure.

• reduction

• enlargement

• scale factor

• center of dilation

What is the scale factor if the triangle on the left is the original?

• 2

• 3/2

• 2/3

• 1/2

What is the scale factor used to dilate the small square to the larger square given there areas?

• 4

• 16

• 3

• 12

A dilation produces a similar figure

• True

• False

What is the scale factor used to dilate the small square to the larger square given there perimeters?

• 3

• 4

• 12

• 1/3

What scale factor was used to produce the image?

• 2

• -2

• ¹/₂

• 1

Does the image show a Dilation?

• Yes

• No