Proportional Relationships and Percent Problems

Which graph is non-proportional?

• A
• B
• C
• D

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

• 45
• 90
• 135
• 2

Find the unit rate:  $3.60 for 3 pounds of apples. How much does it cost for 1 pound of apples?

• $1.00 per pound
• $3.60 per pound
• $1.20 per pound
• $1.10 per pound

What makes a graph proportional?

• Linear
• The line goes through the origin
• Curvy line
• Linear and the line goes through the origin

Which graph is proportional?

• A
• B
• C and D
• All of the graphs are proportional

Which graph is non-proportional?

• A
• B
• C
• D

What is the unit rate for this graph?

• 100
• 25
• 50
• 200

Which color car represents a proportional relationship?

• Red car
• White car
• Both cars
• None of the cars

Which statement matches the graph?

• Taylor can write 6 words per minute
• Taylor can write 25 words per minute
• Taylor can write 50 words per minute
• Taylor can write 150 words per minute

Does this graph represent a proportional relationship?  

• No, because it doesn't pass through the origin.
• Yes, because it doesn't pass through the origin.
• Yes, because it intersects the y axis.
• No, because it intersects the x axis.