Proportional Relationships data nc.7.rp.2

Front

What is a proportional relationship?

Back

A proportional relationship is a relationship between two quantities where the ratio of one quantity to the other quantity is constant.

Front

How can you identify a proportional relationship in a table of values?

Back

A proportional relationship can be identified if the ratios of corresponding values (y/x) are the same for all pairs.

Front

What is the constant of proportionality?

Back

The constant of proportionality is the constant ratio (k) in a proportional relationship, often represented as y = kx.

Front

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

Back

The constant of proportionality is 3.

Front

Which of the following represents a proportional relationship: y = 2x + 1 or y = 4x?

Back

y = 4x represents a proportional relationship.

Front

What does it mean if a relationship is not proportional?

Back

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

Front

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

Back

'k' represents the constant of proportionality.

Front

If a recipe calls for 4 cups of flour for every 3 cups of sugar, what is the constant of proportionality of flour to sugar?

Back

The constant of proportionality is 4/3.

Front

What is the unit rate in a proportional relationship?

Back

The unit rate is the constant of proportionality expressed as a ratio of one quantity to one unit of another quantity.

Front

How do you determine if a graph represents a proportional relationship?

Back

A graph represents a proportional relationship if it is a straight line that passes through the origin (0,0).