Proportional Relationships

Does this graph represent a proportional relationship?

• Yes
• No

Does this graph represent a proportional relationship?

• Yes
• No

Does this graph represent a proportional relationship?

• Yes
• No

A machine packs boxes at a constant rate of 2/3 a box every 1/2 a minute.  What is the number of boxes it packs per minute?

• 1/3
• 3/4
• 7/6
• 4/3

Does this table represent a proportional relationship?

• Yes
• No

Solve for x

• x=6
• x =1/6
• x = 7
• x=9

Solve for x 

• x = 1/10
• x = 10
• x = 4
• x = 5

What makes a graph proportional?

• Straight Line
• The line goes through (0,0)
• Curvy line
• Straight line and passes through (0,0)

Is this table proportional?

• yes
• no
• I'm not sure, I need extra help!

What is the constant of proportionality?

• 15
• 5
• 75
• 25