Math Elearning

Mr. Diaz changed his shower head to conserve water and energy. The table shows the relationship between the amount of flow and the duration of the water flow.

Which statement BEST describes the rate of water flow?

• 0.4 gallons per minute

• 2.1 gallons per minute

• 2.5 gallons per minute

• 3.0 gallons per minute

The graph shows the cost of grapes when purchased by the pound.

What is the cost for 1 pound of grapes?

• $0.70

• $1.25

• $1.40

• $1.50

Which graph represents a proportional relationship between x and y?

• 
• 
• 
• 

The graph shows the cost of tickets to an amusement park.

According to the graph, what would be the cost of one ticket?

• $25

• $35

• $50

• $60

Four customers at a gas station this morning each purchased the same type of gasoline. The table shows the amounts of gasoline they purchased and the costs.

Using the data in the table above, how much does 1 gallon of gas cost?

• $3.50

• $4.00

• $4.50

• $5.00

Which statement below accurately represents the graph?

• $100 is earned for each hour worked
• $200 earned for every 2 hours worked
  is the unit rate
• $500 is earned for every 8 hours worked
• $200 is earned after working 3 hours

What is the unit rate for the rain fall?

• 2 cm per hour
• 1 cm per hour
• ¹/₂ cm per hour
• 4 cm per hour

What is the constant of proportionality?

• $3
• $4
• $2
• $9

What is the Constant of Proportionality?

• k=46
• k=92
• k=0.2
• not proportional

Is the given table a proportional relationship? If so, what is the constant?

• Yes; 1/3

• Yes; 3

• Yes; 5

• No