Proportional Relationships Vocabulary

When ratios are equivalent, they are proportional. Choose the best answer.

• TRUE

• SOMETIMES

• FALSE

• ONLY WITH UNIT RATES

Tags

8.EE.6

Match the following

• a ratio that shows the rate for one of something

• a ratio used to determine the constant of proportionality

• table of x and y values

• constant of proportionality

• constant of proportionality

• k can be found using x and y data from this

• unit rate

• a ratio that relates two values in a proportional relationship

• k is the variable that represents

Tags

8.EE.6

Match the ratio that is not proportional to the other ratios.

Tags

8.EE.6

• true, these are proportional ratios

• false, these are nonproportional ratios

• true, these are proportional and the constant of proportionality is 4

Tags

8.EE.6

Heather is creating towers of nickels and measuring the height, in millimeters, of the stacks. Her data is shown in the table.

Is the height of a tower proportional to the number of nickels?

• no, the height is not proportional to the number of nickels

• yes, the height is proportional to the number of nickels

• unable to determine if the height is proportional to the number of nickels

Tags

8.EE.6

What is the constant of proportionality from the table? Report the answer in a reduced fraction.

Tags

8.EE.6

Which table shows a proportional relationship between x and y? Choose the best answer.

• 
• 
• 
• 

Tags

8.EE.6

What is the constant of proportionality of this table? Choose all equivalent values.

• 2.5

• 0.4

• this is not a proportional relationship; no constant exists

Tags

8.EE.6

If the constant of proportionality is 6 , how many x's are there for 6 y's? Choose the best answer.

• 6

• -6

• 2

• 1

Tags

CCSS.7.RP.A.2B

Match the following constants of proportionality to the phrase.

• k = 1/2

• 1 y for every 2 x's

• k = 3/5

• 3 x's for every 5 y's

• k = 2

• 3 y's for every 1 x

• k = 9/3

• 5 x's for every 3 y's

• k = 5/3

• 6 y's for every 3 x's

Tags

CCSS.7.RP.A.2B