Proportional Equations (graphs and tables)

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

What does COP stand for in proportional relationships?

Back

COP stands for Constant of Proportionality, which is the constant ratio between two proportional quantities.

Front

If a table shows values (2, 8), (4, 16), and (6, 24), does it represent a proportional relationship?

Back

Yes, it represents a proportional relationship with a COP of 4.

Front

In a graph showing total minutes vs. number of performers, which variable is on the x-axis?

Back

The number of performers is on the x-axis.

Front

What is the equation for a proportional relationship where A is the amount of money and t is the number of hours worked, if the rate is $9 per hour?

Back

A = 9t.

Front

How do you find the cost per item in a proportional relationship?

Back

Divide the total cost by the number of items.

Front

If a table shows values (1, 3), (2, 6), and (3, 9), what is the COP?

Back

The COP is 3.

Front

What is the first step to determine if a table represents a proportional relationship?

Back

Check if the ratios of corresponding values are constant.

Front

If Justin ordered 5 ice cream bars for $12.25, how do you calculate the price per ice cream bar?

Back

Divide $12.25 by 5, which equals $2.45 per ice cream bar.

Front

What does it mean if a relationship is not proportional?

Back

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