Constant of Proportionality Review

Front

What is the constant of proportionality?

Back

The constant of proportionality is a constant value that relates two proportional quantities, often represented as k in the equation y = kx.

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.

Front

What is the unit rate?

Back

The unit rate is the ratio of two measurements in which the second quantity is one unit. It is the same as the constant of proportionality.

Front

What is the equation for a proportional relationship?

Back

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

Front

If a table shows that 5 meals cost $26.25, what is the constant of proportionality?

Back

The constant of proportionality is $5.25 per meal.

Front

What does it mean if two packs of pens have the same cost per pen?

Back

It means that the unit price (cost per pen) is the same for both packs, indicating a proportional relationship.

Front

What is the relationship between constant of proportionality and unit price?

Back

The constant of proportionality is the same as the unit price when comparing the cost of items.

Front

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

Back

The constant of proportionality is 18.50.

Front

How can you determine if two ratios are proportional?

Back

Two ratios are proportional if they can be simplified to the same value.

Front

What is an example of a proportional relationship in real life?

Back

An example is the relationship between distance and time when traveling at a constant speed.