Proportional Equations and Tables

Craig earns extra money as a lifeguard. He earns $37 for 4 hours and $64.75 for 7 hours.  What is the constant of proportionality? 

• $37

• $64.75

• $9.25

• $18.50

Tags

CCSS.7.RP.A.2B

Write an equation for this relationship.

• d=18.50c

• c=18.50d

• c=22.50d

• c=22d

Tags

CCSS.6.EE.C.9

Which equation shows a proportional relationship between x and y?

• y = 3x + 9

• y = 1/2x

• y = 1/2x - 2

• y = x²

Tags

CCSS.7.RP.A.2C

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

• y

• x

• 14

Tags

CCSS.7.RP.A.2B

Does this equation represent a proportional relationship?

• Yes

• No

Tags

NC.7.RP.2

NC.7.RP.2.c

The table shows a proportional relationship. What is the constant of proportionality?

Mathematical Equivalence

OFF

Tags

NC.7.RP.2

NC.7.RP.2.b

Write the equation for the table given

• y = 1/3x

• y = 3x

• y = 1/2x

• x = 3y

Tags

NC.7.RP.2

NC.7.RP.2.c

Does this table represent a proportional relationship?

• Yes

• No

Tags

NC.7.RP.2

NC.7.RP.2.a

Michael, Elijah, and Sophia are trying to figure out the equation for the number of apples (y) they collect over time (x). They have a table of values but are unsure. Which equation could represent their situation?

• y = 16x

• y=8x

• y=12x

Tags

NC.7.RP.2

NC.7.RP.2.c

Categorize these tables as proportional or non-proportional

Groups:

(a) Proportional Table

,

(b) Non-Proportional Table

• 
• 
• 
• 

Tags

NC.7.RP.2

NC.7.RP.2.a