Proportional Relationships with Variables

Using the table above, determine which statement is correct.

• The table is proportional and the unit rate is 100.

• The table is not proportional because the unit rate is not constant.

• The table is not proportional because it doesn't pass through the origin.

• The table is proportional and the unit rate is 0.01.

A relationship between two variables where their ratios are equivalent is called a ___

Which statement best describes the relationship between x and y in the table?

• Proportional

• Not Proportional

How do you know if two ratios are proportional?

_____ are those that can be simplifies or reduced to the same value.

• Rates

• Equivalent ratios

• Mathematicians

• Proportional

The cost of renting a sailboat at a lake is $20 per hour plus $12 for lifejackets. What is the slope of this situation?

• $0

• $20

• $12

James is going bowling.  It will cost him $1.75 per game plus $2.50 to rent the shoes.  What is the equation used to calculate the cost of going bowling?

• y=1.75x+2.50

• y=2.50x+1.75

• y=1.75x-2.50

• y=-1.75+2.50x

Alex works as a lawnmower and his company pays him $5 a day plus an additional $5 every hour he works. Which graph represents the amount of earnings that Alex can make in one day?

• A

• B

• C

• D

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

• Yes; 1/3

• Yes; 3

• Yes; 5

• No

What is the missing value of the table based on patterns?

• 25

• 50

• 75

• 27