Unit 4 Test Review - Kindle

The scatterplot shows the relationship between the number of beach visitors and the average daily temperature. Which conclusion is best supported by the scatterplot? 

• 1. As the average daily temperature increases, the number of beach visitors increases.

• 1. As the average daily temperature increases, the number of beach visitors decreases.

• 1. As the average daily temperature increases, the number of beach visitors stays the same.

• 1. There is no relationship between the average daily temperatures and the number of beach visitors.

The two lines graphed on the coordinate grid represent a system of equations. What is the x-coordinate of the ordered pair that best represents a solution to both equations?

• 0

• 1

• -2

• -3

The graph models the linear relationship between the charge for a trip and the number of miles driven for two taxis. Based on the graph, which statement appears to be true?

• The charge for a trip with a distance of 5 miles is $5 greater for Taxi 1 than for Taxi 2.

• The charge for a trip with a distance of 5 miles is $5 less for Taxi 1 than for Taxi 2.

• The charge for a trip with a distance of 5 miles is $20 for both Taxi 1 and Taxi 2.

• The charge for a trip with a distance of 5 miles cannot be determined for either Taxi 1 or Taxi 2.

Determine whether the situation represents a proportional or non-proportional relationship:

Brooke is paid $17 per hour for babysitting.

• Proportional

• Non-Proportional

Determine whether the situation represents a proportional or non-proportional relationship:

George rented a sailboat as a lake for $25 an hour plus $10 for his life jacket.

• Proportional

• Non-Proportional

Determine whether the situation represents a proportional or non-proportional relationship:

• Sam’s carpet cleaning service charges $100 for a service fee plus $15 per hour.

• Proportional

• Non-Proportional

Determine whether the situation represents a proportional or non-proportional relationship:

• Sara purchases bananas at the grocery story for $1.78 per pound.
  

• Proportional

• Non-Proportional

Determine whether the table shows a proportional or non-proportional relationship between x and y.

• Proportional

• Non-Proportional

Determine whether the table shows a proportional or non-proportional relationship between x and y.

• Proportional

• Non-Proportional

Determine whether the table shows a proportional or non-proportional relationship between x and y.

• Proportional

• Non-Proportional