Finding Scale Factor in Geometry

What scale factor was used for the dilation shown?

• 1/2

• 1

• 2

• 3

Tags

CCSS.8.G.A.3

What is an example of a contraction in terms of scale factor?

• k = 1/2

• k = 2

• k = 3

• k = 4

Tags

CCSS.8.G.A.3

Which of the following is a rule for scale factor expansions?

• k > 1 or k < -1

• -1 < k < 1

• k = 0

• k = 1

Tags

CCSS.8.G.A.3

What is an example of a positive enlarging scale factor?

• k = 2

• k = -1/2

• k = 0

• k = -2

Tags

CCSS.8.G.A.3

Where is the center of dilation when the scale factor is negative?

• Inside the pre-image

• Outside the image

• Between the image and pre-image

• At the origin

Tags

CCSS.8.G.A.3

What is the term for figures that have the same shape but not necessarily the same size?

• Similar Figures

• Proportional Figures

• Reciprocal Figures

• Exchange Figures

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

• 0.25
• 0.5
• 2
• 1/2

Tags

CCSS.7.G.A.1

what is the scale factor?

• 1

• 3

• 1/3

• 8

Tags

CCSS.7.G.A.1

A photo has dimensions 12 x 6. Bob wants to get an enlargement that has scale factor 3. What are the dimensions of the new photo?

• 36 x 18

• 15 x 9

• 18 x 9

• 4 x 2

Tags

CCSS.7.G.A.1

Jane has enlarged this rectangle by a scale factor of 4. What will the enlarged length measure?

• 3 cm

• 8 cm

• 7 cm

• 6.5 cm

Tags

CCSS.7.G.A.1