Comparing Proportional Relationships in Tables and Graphs

Write an equation to show the proportional relationship in the graph.

• y=1x

• y=104x

• y=52x

• y=0.019x

Write an equation to represent the proportional relationship shown in the table.

• y=12x

• y=4x

• y=0.25x

• y=3x

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

Is this table proportional?

• Yes
• No

Is this graph proportional?

• Yes
• No

Hadley is driving to Colorado. She has been traveling for 4 hours, and she has driven 260 miles. Find her speed in miles per hour.

• 85
• 65
• 60
• 70

What is a unit rate?

• A comparison of two quantities where the denominator is always 1 unit
• A rate that compares 2 different quantities
• a rate with units 
• a comparison of two quantities where the first quantity is always 1

Write an equation for this situation.

• y=9.75x
• y=19x
• y=19.25x
• y=9.5x

What is the unit rate in this proportional relationship?

• 60 miles/1 hour

• 120 miles/ 2 hours

• 1 mile/ 1 hour

• 180 miles/ 3 hours

Is this table proportional?

• Yes
• No