Constant of Proportionality

Front

What is the constant of proportionality?

Back

The constant of proportionality is the ratio between two proportional quantities, often represented as 'k'. It remains constant as the values change.

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 quantity by the corresponding value of the other quantity.

Tags

CCSS.7.RP.A.2B

Front

If 3 servings contain 624 calories, what is the constant of proportionality?

Back

208 calories per serving.

Tags

CCSS.7.RP.A.2B

Front

What does it mean if a table is proportional?

Back

A table is proportional if the ratio of the values in one column to the values in another column is constant.

Tags

CCSS.7.RP.A.2A

Front

What is an example of a proportional relationship?

Back

If 2 apples cost $4, then 4 apples cost $8. The constant of proportionality is $2 per apple.

Tags

CCSS.7.RP.A.2A

Front

What is the formula for finding the constant of proportionality?

Back

k = y/x, where y is the dependent variable and x is the independent variable.

Tags

CCSS.7.RP.A.2B

Front

Determine if the following table is proportional: (1, 2), (2, 4), (3, 6).

Back

Yes, it is proportional because the ratio of y to x is constant (2).

Tags

CCSS.7.RP.A.2A

Front

What is the constant of proportionality if y = 45 mph when x = 1?

Back

The constant of proportionality is 45 mph.

Tags

CCSS.7.RP.A.2B

Front

If a graph passes through the origin and is a straight line, what can be said about it?

Back

It represents a proportional relationship.

Tags

CCSS.7.RP.A.2D

Front

What is a non-proportional relationship?

Back

A non-proportional relationship does not have a constant ratio between the two quantities.

Tags

CCSS.7.RP.A.2A