Comparing Proportional Relationships in Different Forms

The equation y=²³/₂x represents the price of beef jerky in Store A.  The table shows the price for Store B.  Which store has the better price?

• Store A

• Store B

• They both have the same price

Sia saves 25 dollar per month. Miguel's savings are shown in the graph. After two months, how much more would Sia have saved than Miguel?

• $10

• $20

• $30

• $40

Which company charges the lowest price per hour to rent a raft?

• Water's Edge Rafts

• Ryan's Rafts

• They charge the same rate per hour

The graph shows the number of headphones produced by Soundtech. NewSounds produces 175 headphones per hour. Which statement is true?

• NewSounds produces headphones at a faster rate.

• Soundtech produces headphones at a faster rate.

• Both companies produce headphones at the same rate.

• Neither company is producing headphones at a constant rate.

Select the true statements.

• graph A is not proportional but B is

• graph B is less steep than graph A

• graph B passes through the origin and A does not

• the constant of proportionality of graph B is less than A

• both are straight lines

Is this table proportional?

• Yes

• No

What is the constant of proportionality (in miles per hour) based on the table?

• 45

• 90

• 135

• 2

Review: Is this proportional?

• yes

• no

Select the true statements related to the graph comparison.

• neither are proportional

• they have different constants of proportionality (k)

• graph A is steeper than graph B

• the constant of proportionality (k) for both is 4

• the constant of proportionality (k) for both is 1/4

Does this graph represent this table?

• yes

• no