Review Constant of Proportionality

1. What is the constant of proportionality for the following graph?

• 80

• 40

• 20

• 160

2. What is the constant of proportionality for this table?

• $1/9 per hour

• $9 per hour

• $8 per hour

• $18 per hour

3. Does this graph show a proportional relationship?

• yes

• no

4. What makes a graph proportional?

• Linear (straight line), that does NOT go through the origin.

• A straight line (linear) that goes through the origin.

5. What is the ordered pair that represents the unit rate?

• (1, 15)

• (15, 1)

• (4, 60)

6. Does this graph show a proportional relationship?

• Yes

• No

• Sometimes

7. Which graph shows a proportional relationship?

• 
• 
• 
• 

8. Which tables and graphs show a proportional relationship?

• A, C, F

• B, D, E

• B, C, F

• A, B, D

9. Which table shows a proportional relationship between the distances on a map and the actual distances?

• 
• 
• 
• 

10. Albert wants to buy some pens. He compares 4 different packs of pens. Which two packs of pens have the same cost per pen?

• packs 1 and 2

• packs 1 and 3

• packs 2 and 4

• packs 1 and 4