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' in the equation y = kx.

Tags

CCSS.7.RP.A.2B

Front

How can you find the constant of proportionality?

Back

You can find the constant of proportionality by calculating the unit rate, which is the ratio of the change in y to the change in x.

Tags

CCSS.7.RP.A.2B

Front

What is a unit rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity, often expressed as 'per' unit.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If y = 18.50x, what is the constant of proportionality?

Back

The constant of proportionality is 18.50.

Tags

CCSS.7.RP.A.2B

Front

What does a proportional relationship look like on a graph?

Back

A proportional relationship on a graph is represented by a straight line that passes through the origin (0,0).

Tags

CCSS.7.RP.A.2D

Front

If a box of cereal costs $3.59 for 30 oz, what is the unit rate per ounce?

Back

The unit rate per ounce is 12 cents.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the equation for a proportional relationship?

Back

The equation for a proportional relationship is typically in the form y = kx, where k is the constant of proportionality.

Tags

CCSS.7.RP.A.2C

Front

What does it mean if a graph is non-proportional?

Back

A non-proportional graph does not pass through the origin and does not maintain a constant ratio between x and y.

Tags

CCSS.7.RP.A.2D

Front

If the constant of proportionality is 0.2, what does this indicate?

Back

This indicates that for every 1 unit increase in x, y increases by 0.2 units.

Tags

CCSS.7.RP.A.2B

Front

What is the relationship between ratios and the constant of proportionality?

Back

The constant of proportionality is the ratio of y to x in a proportional relationship.

Tags

CCSS.7.RP.A.2B