Review: Scale Factor/Dilations 7th Honors

What is the scale factor from ΔDEF to ΔABC?

• 1/2
• 7/3
• 2
• 10/3

Tags

CCSS.7.G.A.1

What is the scale factor from ΔDEF to ΔABC?

• 2
• 3/2
• 2/3
• 1/2

Tags

CCSS.7.G.A.1

Which is an example of a reduction (figure becomes smaller)?

• k = 1/2

• k = 1

• 3:2

• 250%

The point (8, 12) was dilated to become point (2, 3). What was the scale factor?

• ½
• ¼
• 4
• 2

Tags

CCSS.8.G.A.3

What is the definition of dilations in mathematical terms?

• to make larger (stretch) or smaller (shrink)

• to make larger

• none of the above

• to make smaller

what is the scale factor?

• 1

• 3

• 1/3

• 8

Tags

CCSS.7.G.A.1

What is the scale factor?

• 1

• 2

• 1/2

• -2

Tags

CCSS.7.G.A.1

The distance between two cities on a map is 4.125 inches.  Find the actual distance if the scale on the map is 2 inches = 40 miles.

• 165 miles
• 50 miles
• 82.5 miles
• 41.25 miles

Tags

CCSS.6.RP.A.3B

Pedro and his friends are visiting chocolate shops in Fairview. They take a cab from one chocolate shop to another. On a map, the two are separated by 3 centimeters. If the scale of the map is 1 centimeter = 2 kilometers, then what is the actual distance between the two chocolate shops?
____ = ____

• 1/2 kilometer 
• 1.5 kilometers
• 6 kilometers
• 3 kilometers

Tags

CCSS.7.G.A.1

Megan drew a scale drawing of a house and its lot. The scale she used was 1 inch = 2 feet. The backyard is 78 feet long in real life. How long is the yard in the drawing?
____ = ____

• 39 inches
• 156 inches
• 38 inches
• 157 inches

Tags

CCSS.7.RP.A.2C