Proportional Relationships in Tables, Graphs, & Equations

Front

What does the point (2, 94) represent in a proportional relationship?

Back

After 2 weeks, they save $94.

Front

Does this graph represent a proportional relationship?

Back

No

Front

What is the formula for a proportional relationship?

Back

y = kx

Front

What does it mean if a table is not proportional?

Back

The unit rate is not constant.

Front

What is the constant of proportionality in a proportional relationship?

Back

It is the value of k in the equation y = kx.

Front

If y = 6x, what is the constant of proportionality?

Back

k = 6

Front

What is a unit rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity.

Front

How can you tell if a table represents a proportional relationship?

Back

Check if the ratios of corresponding values are constant.

Front

What does it mean for a graph to pass through the origin?

Back

It indicates that when x = 0, y = 0, which is a characteristic of proportional relationships.

Front

If a table shows the number of trees and apples, what indicates it is not proportional?

Back

If the unit rate (apples per tree) changes.