Revisiting Proportional Relationships

Does the table represent a proportional relationship?

• yes
• no

Does the table represent a proportional relationship?

• yes
• no

Does the graph represent a proportional relationship?

• yes
• no

Does the graph represent a proportional relationship?

• yes
• no

Which equation represents a proportional relationship?

• y = x + 3
• y = x - 9
• y = 7x
• y = 4x + 1

Which equation DOES NOT represent a proportional relationship?

• y = 11x
• y = x/4
• y = 1/2 x
• y = x + 3

Are the ratios 2:1 and 18:9 equivalent?

• No

• Yes

What does the point (2, 94) represent in this situation?

• Every week, they earn $94.
• After 94 weeks, they save $2.
• After 1 week, they save $47.
• After 2 weeks, they save $94.

The equation y=6.5x represents a proportional relationship. What is the constant of proportionality?

• x
• 1/6.5
• 6.5
• y

What is the unit rate in this proportional relationship?

• 60 miles/1 hour
• 120 miles/ 2 hours
• 1 mile/ 1 hour