Final Exam Review _ Understanding Scale and Slope Concepts

What is the scale factor if a rectangle with a width of 4 cm is enlarged to a width of 12 cm?

• 2

• 3

• 4

• 8

• 4.5 cm

• 5 cm

• 7 cm

• 9 cm

A map uses a scale factor of 1:1000. If two cities are 5 cm apart on the map, how far apart are they in real life?

• 50 m

• 500 m

• 5 km

• 5000 m

• 1

• 2

• 3

• 4

If a car travels 180 miles in 3 hours, what is its unit rate in miles per hour?

• 30 mph

• 45 mph

• 60 mph

• 90 mph

• 2

• 5

• -2

• -5

If a recipe uses 3 cups of flour for every 2 cups of sugar, what is the unit rate of flour to sugar?

• 1.5 cups flour per cup sugar

• 2 cups flour per cup sugar

• 3 cups flour per cup sugar

• 0.67 cups flour per cup sugar

A model car is built at a scale factor of 1:20. If the real car is 4 meters long, how long is the model car?

• 0.2 m

• 0.4 m

• 2 m

• 20 m

What is the slope of a horizontal line?

• 0

• 1

• Undefined

• Infinite