CFA REVIEW 1 INGRAM

Multiple Choice

The photo below is the reduced form of a 16-by-20-inch print. What is the scale factor being used to reduce it?

• 4

• 1/4

• 12

• 1/12

Multiple Choice

Which equation models the amount in dollars, d, Troy charges when it takes him h hours to mow a lawn?

• d = 20h

• h = 20d

• d = 45h

• h = 45d

Multiple Select

Select all tables that represent a proportional relationship between x and y.

• A

• B

• C

• D

Open Ended

Explain how you can determine if a relationship is proportional by looking at a table or a graph. Provide an example from the images above.

Fill in the Blank

The point ( ___ , ___ ) represents the unit rate in the graph shown for the cost of sandwiches.

Multiple Choice

Which context can be modeled by the sum 20 + (-12)?

• The total amount of money Jamie has if she has $12 in savings and then earned $20 babysitting.

• The difference in the average high and average low temperatures of a city if the average high temperature is 20C and the average low temperature is 12C below zero.

• The total number of yards gained by the football team if the team gained 20 yards on the first play and lost 12 yards on the second play.

• The difference between the highest and lowest points on a hiking trail if the lowest point is 20 feet below sea level and the highest point is 12 feet above sea level.

Multiple Choice

What is the scale factor being used to reduce a 16-by-20-inch print to a 4-by-5-inch print?

• 4

• 1/4

• 12

• 1/12

Multiple Choice

Which two points are opposites that will combine to make zero?

• Point R and Point S

• Point R and Point V

• Point R and Point T

• Point S and Point V