Finding Scale Factors

• 0.25
• 0.5
• 2
• 1/2

Tags

CCSS.7.G.A.1

What is the scale factor?

• 1

• 2

• 1/2

• -2

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

What is the scale factor from MNOP to ABCD?

• 2/3

• 1/2

• 3/2

• 2

Tags

CCSS.7.G.A.1

The blue triangle is the preimage, the green triangle is the image.

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

• an enlargement

• 2

• a reduction

• 5

• 4

Tags

CCSS.7.G.A.1

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

• an enlargement

• 3

• a reduction

• 5

• 4

• 2

Tags

CCSS.HSG.CO.A.2

The blue triangle is the preimage, the green triangle is the image. The image shows​​ (a)   and the scale factor is​ (b)   ​

• an enlargement

• 2

• a reduction

• 5

• 4

Tags

CCSS.7.G.A.1

Match the following dilations by a scale factor of 1/2.

• (0,0)

• (-6,-8)

• (0, -5)

• (10,2)

• (-3, -4)

• (6,8)

• (3,4)

• (0,0)

• (5,1)

• (0, -10)

Answer explanation

Note that 0/2 is still 0

so (0,0) dilated by 1/2 is still at (0,0)

(0,-10) dilated by a 1/2 is at

(0, -5)

Tags

CCSS.8.G.A.3

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

• 2

• 3/2

• 2/3

• 1/2

Tags

CCSS.7.G.A.1

what is the scale factor?

• 1

• 3

• 1/3

• 8

Tags

CCSS.7.G.A.1