Review-Constant of Proportionality-ACC

Front

What is the constant of proportionality?

Back

The constant of proportionality is the ratio between two proportional quantities, often represented as 'k' in the equation y = kx.

Tags

CCSS.7.RP.A.2B

Front

How can you determine if a graph shows a proportional relationship?

Back

A graph shows a proportional relationship if it passes through the origin (0,0) and forms a straight line.

Tags

CCSS.7.RP.A.2D

Front

What does it mean for two quantities to be proportional?

Back

Two quantities are proportional if they maintain a constant ratio to each other.

Tags

CCSS.7.RP.A.2A

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together, expressed as a quantity per one unit of another quantity.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If 100 is earned for each hour worked, what is the unit rate?

Back

The unit rate is $100 per hour.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

Which of the following represents a proportional relationship: $200 earned for every 2 hours worked or $500 earned for every 8 hours worked?

Back

Both represent proportional relationships, as they maintain a constant ratio.

Tags

CCSS.7.RP.A.2A

Front

How do you find the cost per item in a table of prices?

Back

Divide the total cost by the number of items to find the cost per item.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the equation to find the cost 'c' of 'b' bananas if the cost per banana is $0.19?

Back

c = $0.19b.

Tags

CCSS.6.EE.C.9

Front

What does it mean if a graph does not show a proportional relationship?

Back

It means that the ratio between the two quantities is not constant.

Tags

CCSS.7.RP.A.2D

Front

How can you identify proportional relationships in tables?

Back

Look for rows where the ratios of corresponding values are the same.

Tags

CCSS.7.RP.A.2D