Dilations and Scale Factor

Which figure is a scaled copy/ dilation of Shape A?

• Shape B

• Shape C

• Shape D

PQRS is a scaled copy/dilation of ABCD. Which side length on PQRS corresponds to BC?

• Side PQ

• Side QR

• Side RS

• Side SP

PQRST is a scaled copy/ dilation of ABCDE. What is the scale factor from ABCDE to PQRST?

What is the scale factor from the larger figure to the smaller figure?

• 1/4

• 1/3

• 1/2

• 4

In the figure above, a dilation from A to A' has occurred. What is the scale factor?

scale factor = _______

Mathematical Equivalence

ON

In the figure above, a dilation from A to A' has occurred. What is the scale factor?

Mathematical Equivalence

ON

Segment CD is dilated from point O by a scale factor of 4. Where are C' and D' located?

(Choose TWO points, one for C and one for D.)

Match the following to show a dilation by a scale factor k=5.

• (5,0)

• (-1, 1)

• (-5,5)

• (0, -1)

• (0,-5)

• (3, -2)

• (15,-10)

• (1, 0)

• (10,15)

• (2, 3)

Find the measure of x:

• 6

• 24

• 33

• 36