Table- Constant of Proportionality

Front

What is the constant of proportionality?

Back

The constant of proportionality is the constant value (k) that relates two proportional quantities, often expressed as y = kx.

Tags

CCSS.7.RP.A.2B

Front

How do you find the constant of proportionality from a table?

Back

To find the constant of proportionality from a table, divide the value of one variable by the corresponding value of the other variable.

Tags

CCSS.7.RP.A.2B

Front

If y = 3x, what is the constant of proportionality?

Back

3

Tags

CCSS.7.RP.A.2B

Front

What does a constant of proportionality of 1/2 mean in a proportional relationship?

Back

It means that for every unit increase in x, y increases by half that amount.

Tags

CCSS.7.RP.A.2D

Front

In the equation y = kx, what does k represent?

Back

k represents the constant of proportionality.

Tags

CCSS.7.RP.A.2C

Front

If 4 cups of sugar are needed for 2 cups of flour, what is the constant of proportionality?

Back

2 cups of sugar per cup of flour.

Tags

CCSS.7.RP.A.2B

Front

How do you determine the missing value in a proportional table?

Back

Use the constant of proportionality to set up a proportion and solve for the missing value.

Tags

CCSS.7.RP.A.2C

Front

What is the relationship between the constant of proportionality and direct variation?

Back

In direct variation, the constant of proportionality is the factor by which one variable changes in relation to another.

Tags

CCSS.7.RP.A.2D

Front

If a recipe calls for 8 tablespoons of honey for 4 cups of flour, how much honey is needed for 20 cups of flour?

Back

40 tablespoons of honey.

Tags

CCSS.6.RP.A.3B

Front

What is the constant of proportionality if 10 apples cost $2?

Back

$0.20 per apple.

Tags

CCSS.7.RP.A.2B