POP QUIZ #1: Scale Factor - STUDY PREVIEW

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

• 2
• 3/2
• 2/3
• 1/2

Scale Factor of 5 is _________________ .

• Reduction
• Enlargement

On a map, Memphis, Tennessee, and Jackson, Mississippi, are 5 inches apart. The distance between the cities is actually 210 miles. What scale was used to create the map?

• 42 inches = 1 mile
• 1 inch = 42 miles
• 40 inches = 1 mile
• 1 inch = 40 miles

Scale Factor of ½ is __________________ .

• Reduction
• Enlargement

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

Is this an enlargement or a reduction?

• Enlargement
• Reduction

REVIEW: Which inequality is represented by the following graph

• x < -8
• x > -8
• x ≥ -8
• x ≤ -8

If a dilation has a scale factor of 0.5, it can be classified as a(n) ___.

• Enlargement
• Reduction

Robbie made a scale drawing of a neighborhood park. A soccer field in the park is 14 inches long in the drawing. The actual field is 98 yards long. What is the scale of the drawing?1 inch = _ yards

• 1372
• 5
• 14
• 7

A square has a side length of 6 inches. It is enlarged and the new side length is 18 inches. What is the scale factor?

• 2
• 3
• 1/3
• 1/2