Dilations About Point

After dilations, angles are ....

• similar

• congruent

• smaller

• larger

After dilations, the sides of the figure are...

• always smaller

• always larger

• the same

• proportional

When a dilation has a scale factor greater than one, the dilation is an enlargement.

• True

• False

Does the image show a Dilation? If yes, did the image enlarge, reduce or none of the above?

• Yes, enlarge

• Yes, reduce

• No

What scale factor was used to produce the image?

• 2

• 3

• 1/3

• 1/2

State the coordinates of the image of point C after a dilation with a scale factor of 1/2 and center point P.

• (-6, 1)

• (-3, -2)

• (1, -6)

• (-2, -3)

State the coordinates of the image of point B after a dilation with a scale factor of 2 and centered at point A.

• (-4,2)

• (-8,4)

• (-4,6)

• (-2,-2)

Did the image enlarge, reduce or none of the above?

• Enlarge

• Reduce

• None of the above

What scale factor was used to produce the image?

• 1

• 7

• 18

• 49

What scale factor was used to produce the image?

• 2

• -2

• ¹/₂

• 1