Constant of Proportionality Review

In the equation y = 14x, what is the constant of proportionality?

• x

• 14

• y

Tags

CCSS.7.RP.A.2B

Does this graph show a proportional relationship?

• Yes

• No

Tags

CCSS.7.RP.A.2D

What makes a graph proportional?

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

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

Tags

CCSS.7.RP.A.2D

Does this graph show a proportional relationship?

• Sometimes

• Yes

• No

Tags

CCSS.7.RP.A.2D

 

Which graph shows a proportional relationship?

• 
• 
• 
• 

Tags

CCSS.7.RP.A.2D

Which tables and graphs show a proportional relationship?

• A,B,D

• A,C,F

• B,D,E

• B,C,F

Tags

CCSS.7.RP.A.2D

The constant of proportionality in the equation y = ½x is _______.

• 1/2

• x

• y

• 2

Tags

CCSS.7.RP.A.2B

Is the given table a proportional relationship? If so, what is the constant of proportionality?

• Yes; 1/3
• Yes; 3
• Yes; 5
• No

Tags

CCSS.7.RP.A.2B

The cost of 3 pounds of grapes is $6.57. Therefore, the constant of proportionality is ​​​ (a)   ​​ in relation to the cost in dollars, y, to the number of pounds of grapes, x. ​

• 2.19
• 6.57
• 3
• not here