Proportional Equations for Lines

What is k in this proportional relationship?

• 60

• 120

• 1

• 180

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.

The graph shows the proportional relationship between the number of days Restaurant T is open and how many people they served.  The equation y=82x represents the relationship for Restaurant S.  Which restaurant served more people?

• Restaurant S

• Restaurant T

• They both served the same amount of people

Who spends more per day?

• Kameron

• Myriah

• They have spend the same amount each day.

Compare the constant of proportionality of the following equation and graph by determining which line is steeper.

• The line represented by the equation has the same steepness as the line shown in the graph.

• There is not enough information to determine the steepness of the lines.

• The line represented by the equation is steeper than the line shown in the graph.

• The line shown in the graph is steeper than the line represented by the equation.

• Store A

• Store B

• Store C

Is the graph proportional or non proportional?

• proportional

• non proportional

Which graph is proportional?

• A

• B

• C and D

• All of the graphs are proportional

Proportional or Non-Proportional:
The graph does not pass through the origin. 

• Proportional

• Non-Proportional

What is the unit rate in this proportional relationship?

• 60 miles/1 hour

• 120 miles/ 2 hours

• 1 mile/ 1 hour