Solving Problems with Proportional Relationships

Which of the following is an equation to represent this proportional relationship?

• y=15x

• x=15y

• y=3x

• x=3y

Which table is proportional?

• The table on the right

• The table on the left

• Neither is proportional

• Not enough information to answer

Which of the following statements is false?

• The constant of proportionality is 400

• This is a proportional relationship

• The jet travels 420 miles per hour

• The jet will travel 3,780 in 9 hours

• A

• B

• C

• D

Does this table represent a proportional relationship?

• Yes, the COP is 4

• Yes, the COP is 12

• No, there is no COP

• No, there is not enough information

What is the constant of proportionality?

• The unit rate of a given scenario

• What you find when you take y divided by x

• The number you multiply your x-value by to get your y-value

• All of the above

What is the constant of proportionality for this table?

• 1

• 6

• 3

• 12

Use yoga classes as your x and cost as your y. Which equation represents this table?

• y=30x

• y=2x

• y=15x

• y=6x

Which of the following is an equation for this relationship?

• y=90x

• y=25x

• y=45x

• y=2x

• y = 1/5x

• y = 5x

• y = 1/2x