Exploring Scale Factor and Dilations

What happens to an object when a dilation with a scale factor less than 1 is applied?

• The object remains the same size.

• The object increases in size.

• The object decreases in size.

• The object changes color.

If Harold starts at 60 inches and uses a potion with a scale factor of 0.5, what will be his new height?

• 15 inches

• 60 inches

• 30 inches

• 120 inches

Which scale factor would result in no change in size?

• 1

• 0

• 2

• 0.5

What is the new height if the original height is 58 inches and the scale factor is 2.5?

• 72.5 inches

• 29 inches

• 116 inches

• 145 inches

Identify a scale factor from the list that causes shrinkage.

• 0.4

• 2

• 3

• 1.5

What common property do scale factors that cause growth share?

• They are all integers.

• They are all equal to 1.

• They are all greater than 1.

• They are all less than 1.

How do you calculate the new dimensions of a rectangle after dilation?

• Add the scale factor to each side length.

• Divide each side length by the scale factor.

• Multiply each side length by the scale factor.

• Subtract the scale factor from each side length.

What would be the scale factor if the original side length was 12 inches and the new length is 18 inches?

• 3

• 2

• 1.5

• 0.67

What is the correct scale factor if the original figure is reduced in size?

• Greater than 1

• Less than 1

• Equal to 1

• Equal to 0

If a rectangle's length is dilated from 24 inches to 40 inches, what is the scale factor?

• 1.67

• 0.6

• 5

• 2.5