Proportional and Nonproportional Relationships and Functions

What is the formula for a proportional relationship?

• y=kx

• y=k/x

• z=ykx

• y=ky

Tags

CCSS.MATH.CONTENT.7.RP.A.2.a

Does this equation represent a proportional relationship?

• Yes

• No

Tags

CCSS.MATH.CONTENT.7.RP.A.2.a

Does this graph represent a proportional relationship?  

• No, because it doesn't pass through the origin.

• Yes, because it doesn't pass through the origin.

• Yes, because it intersects the y axis.

• No, because it intersects the x axis.

Tags

CCSS.MATH.CONTENT.7.RP.A.2.a

Does the table represent a proportional relationship?

• Yes.

• No.

Does the table represent a proportional relationship?

• Yes.

• No.

Find the unit rate:  $3.60 for 3 pounds of apples. How much does it cost for 1 pound of apples?

• $1.00 per pound

• $3.60 per pound

• $1.20 per pound

• $1.10 per pound

Do the ratios form a proportion?

• Yes, they form a proportion.

• No, they do not form a proportion.

Which color car represents a proportional relationship?

• Red car

• White car

• Both cars

• None of the cars

Which points can be added so that the graph remains a function? Select two answer choices.

• A

• B

• C

• D

• E

Consider the graph of the function answer Part A, then answer Part B.

• proportional

• nonproportional

• 5

• 6

• 4