Proportional Relationship and Percentages

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

Craig earns extra money as a lifeguard. He earns $37 for 4 hours and $64.75 for 7 hours.  What is the constant of proportionality? 

• $37
• $64.75
• $9.25
• $18.50

What are the main characteristics of a proportional relationship between two variables?

• They pass through the origin.
• They are linear and also pass through the origin.
• They are curved
• They have a negative relationship and pass through the origin.

Solve for x 

• x = 1/10
• x = 10
• x = 4
• x = 5

A bird flies 35 meters in 10 seconds.  If it keeps flying at the same rate, how long will it take it to fly 14 more meters?  

• x = 49 seconds
• x = 4 meters
• x = 49 meters
• x =  4 seconds

Solve the proportion.

• k=5
• k=3.3333333
• k=60
• k=90

Solve the proportion.

• n=6
• n=24
• n=7
• n=8