Additive & Multiplicative Relationships

Barbara orders her groceries from a store that charges $15 plus the cost of her groceries to deliver the groceries to her home. Which equation represents this relationship?

• y = x + 15

• y = 15

• 15 = y + x

• y = 15x

• A

• B

• C

• D

• F

• G

• H

• J

• F

• G

• H

• J

• F

• G

• H

• J

What is the correct equation for an additive relationship?

• y = x+a

• x = y+a

• y = ax

• a/x = m

What is the correct equation for a multiplicative relationship?

• y = x + a

• x = y + a 

• y = ax

• a/x = m

• A

• B

• C

• D

The graph for this type of relationship always intersects the origin.

• Positive Relationship

• Multiplicative Relationship

• Additive Relationship

• Negative Relationship

In graphs of multiplicative relationships, the graph always starts at the origin (0,0).

• True

• False