Proportional relationships

What is the constant of proportionality?

• 45

• 50

• 27

• 1

Tags

CCSS.7.RP.A.1

CCSS.7.RP.A.2

The graph above shows the price of games in dollars.  Is the graph proportional and how do you know?

• The graph is proportional  because it is linear.
• The graph is proportional because it is linear and passes through the origin.
• The graph is not proportional because it does not pass through the origin.
• The graph is not proportional because it is not linear and it does not pass through the origin.

Tags

CCSS.7.RP.A.2

Does this graph represent a proportional relationship?

• Yes
• No

Tags

CCSS.7.RP.A.1

CCSS.7.RP.A.2

Does this graph represent a proportional relationship?

• Yes
• No

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Does this graph represent a proportional relationship?

• Yes
• No

Tags

CCSS.7.RP.A.2

What is the constant of proportionality from meters to kilometers?

• 1,000

• 1

• 1/1,000

• 1/2

Tags

CCSS.7.RP.A.1

CCSS.7.RP.A.2

What does k represent in the equation y = kx?

• constant for preparation
• constant of proportionality
• kangaroos
• krispy kreme

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

How do you find k?

• $\frac{x}{y}$

• $\frac{y}{x}$
  

• $x=ky$
  

• $x⋅y$
  

Tags

CCSS.HSA.CED.A.4

CCSS.HSA.REI.A.1

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

• x
• 1/6.5
• 6.5
• y

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Does this equation represent a proportional relationship?

• Yes
• No

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3