Proportionality-tables-intro to graphs

Which of the following does NOT form a proportion?

•  $\frac{80}{25}\ and\ \frac{16}{5}$  

•  $\frac{2}{7\ }\ and\ \frac{4}{14}$  

•  $\frac{3}{4}\ and\ \frac{5}{7}$  

•  $\frac{120}{24}\ and\ \frac{10}{2}$  

Tags

CCSS.7.RP.A.2A

Solve the proportion

 $\frac{56}{x}\ =\ \frac{8}{35}$  

(a)  

Tags

CCSS.7.RP.A.2C

Which equation is used to find constant of proportionality?

• $x\ =\ \frac{k}{y}$

• $k\ =\ \frac{x}{y}$

• $k\ =\ \frac{y}{x}$

• $k\ =\ yx$

Tags

CCSS.7.RP.A.2B

Is the cost per pound of bananas proportional?

• Yes

• No

Tags

CCSS.7.RP.A.2A

What is k? Write your answer as a decimal. Do not round.

(a)  

Tags

CCSS.6.RP.A.3B

Is this table proportional?

• Yes

• No

Tags

CCSS.7.RP.A.2D

Are the cups of peach juice proportional to the cups of grape juice? If so, find k.

• No this is not proportional.

• Yes, k = 0.4

• Yes, k = 2.5

• Yes, k = 10

Tags

CCSS.7.RP.A.2A

Is the cost proportional to the tickets? If so, find k.

• No this is not proportional.

• Yes, k = 12

• Yes, k = 0

• Yes, k = 7

Tags

CCSS.7.RP.A.2A

Are the pencils proportional to the students? If so, find k.

• No this is not proportional.

• Yes, k = 1/3

• Yes, k = 0

• Yes, k = 3

Tags

CCSS.7.RP.A.2A

Does this graph represent a proportional relationship?

• Yes

• No

Tags

CCSS.7.RP.A.2D