Proportional Relationships and Additive Relationships

Given the table of values for the additive relationship, what is the equation of the line in y=x+b form?

• y = x - 1

• y = x + 1

• y = x + 3

• y = x - 5

Given the table of values for the proportional relationship, what is the equation of the line in y=mx form?

• y = (1/2)x

• y = 3x

• y = -2x

• y = 2x

Given the table of values for the additive relationship, what is the equation of the line in y=x+b form?

• y = x -4

• y = x - 2

• y = x + 4

• y = x + 2

How do I find my rate of change (slope) in a proportional relationship?

• yx

• y/x

• x/y

• mx

A family makes homemade pickles. They pick the pickles at a rate of 80 pickles per 5 jars. Which answer choices best represent packing y pickles in x jars at that rate? Select TWO correct answers.

Two quantities are ​ (a)   if the ratios comparing them are equivalent.

• proportional

• nonproportional

• constant of proportionality

• proportion

Answer the following questions.

c

d

g

i

f

4500

1,500

y = 1500x

100

y=4500x

yes

10

y=10x

10,500

no

The cost of 54 tickets to a water park is $972. Each ticket costs the same amount.

Which table or equation represents the relationship between the number of tickets, t, and the total cost of the tickets, c?

Select TWO correct answers.

Tags

6.6.C

Grace is saving for a shopping trip. She has $16 already saved and will earn $1 per week. Choose ALL statements that are correct.

• This is a proportional relationship.

• This is an additive relationship.

• The y-intercept is 16.

• The slope is 16.

Two quantities are in a ​ (a)   if the two quantities vary and have a constant ratio between them.

• proportional relationship

• proportional

• unit rate

• nonproportional

• constant of proportionality