Finding Scale Factor on a Coordinate Plane

If the second figure is larger than the original, the scale factor will be ______________.

• greater than 1

• less than 1

• equal to 1

Q1. What is the value of 0.5 + 0.5?

• A) 0.25

• B) 0.5

• C) 2

• D) 1/2

Identify the scale factor from T to s.

• 4

• 12

Determine the scale factor from the LEFT figure to the RIGHT figure.

• 2

The image shows​​ (a)   and the scale factor is​​ (b)   ​

• an enlargement

• 3

• a reduction

• 5

• 4

• 2

Given the coordinates of the pre-image and the image, determine the scale factor. (0, 3) (0, 12)

• ¼

• -4

• –¼

• 4

Find the scale factor: A (2, -4) and A' (8, -16)

• 4

• 2

• 1/2

• 1/4

Given the coordinates of the pre-image and the image, determine the scale factor. (0, 3) (0, 12)

• ¼

• -4

• –¼

• 4

If triangle X(0,0) Y(2,4) Z (4,0) is transformed to X' (0,0) Y' (4,8) Z' (8,0) what is the scale factor?

• 2

• 3

Match the following

• A (2,2) B (3,3) C (4,4)

  A' (1,1) B' (1.5,1.5) C' (2,2)

• Scale factor of 5

• A (2,2) B (3,3) C (4,4)

  A' (6,6) B' (9,9) C' (12,12)

• Scale factor of 1/2

• A (1,1) B (2,2) C (3,3)

  A' (5,5) B' (10,10) C' (15,15)

• Scale factor of 2

• A (2,2) B (3,3) C (4,4)

  A' (4,4) B' (6,6) C' (8,8)

• Scale factor of 1/3

• A (3,3) B (6,6) C (9,9)

  A' (1,1) B' (2,2) C' (3,3)

• Scale factor of 3