Scale Problems

In a dilation what mathematical operation is used with the scale factor?

• addition 

• subtraction 

• multiplication 

• division 

Tags

CCSS.8.G.A.3

Does the image show a Dilation?

• Yes

• No

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

Dilate Point B by a scale factor of 1/2

• (1.5,-4)

• (-1.5,1)

• (-1,-1.5)

• (-2,-2)

Tags

CCSS.8.G.A.3

When the scale factor of a dilation is less than one, the dilation is a reduction.

• True

• False

Tags

CCSS.8.G.A.3

Fill in the missing two numbers below the diagram

b

a

8

3.2

6.4

5

2

Tags

CCSS.HSG.SRT.A.2

A model of a flagpole has a scale of 1 in.= 4 ft. If the model pole measures 12 inches, the actual pole is _____ tall.

Tags

CCSS.7.G.A.1

The __________ is the ratio of a length of the image to the corresponding length on the original figure.

• reduction

• enlargement

• scale factor

• center of dilation

Tags

CCSS.7.G.A.1

If the shadow of the tree is 24ft and the shadow of the person is 8ft. How tall is the tree if the person is 5ft?

Tags

CCSS.HSG.SRT.B.5

Find y.

• 144

• 18

• 72

• 12

Tags

CCSS.HSG.SRT.B.4

A blueprint was using a scale of 3cm=4.5m. Find the actual length if it is 5cm on the drawing.

• 7.5

• 13.5

• 1.5

• 1.7

Tags

CCSS.7.G.A.1