IM Math Unit 2 Review

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 is constant.

Front

Which equation shows a NON-proportional relationship?

Back

y = x + 3

Front

How can you identify a proportional relationship from a graph?

Back

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

Front

What does it mean if a table represents a proportional relationship?

Back

It means that the ratio of the values of y to the values of x is constant.

Front

If Jane mixes 3 lemons with 2 cups of water for 2 drinks, how many lemons and cups of water does she need for 6 drinks?

Back

9 lemons and 6 cups of water.

Front

What is the formula for finding the constant of proportionality?

Back

The constant of proportionality (k) can be found using the formula k = y/x.

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.

Front

What is the difference between proportional and non-proportional relationships?

Back

Proportional relationships have a constant ratio, while non-proportional relationships do not.

Front

How do you determine if a set of values is proportional?

Back

You can determine if a set of values is proportional by checking if the ratios of y to x are the same for all pairs.

Front

What does it mean to triple a recipe?

Back

To triple a recipe means to multiply all the ingredients by three.