Unit 3 Summative Study Guide

Front

What does the point (1, 3) represent in a graph showing the cost of coffee?

Back

The cost for 1 pound of coffee is $3.

Front

What is the equation that represents the relationship between distance and time for a model train traveling 3t?

Back

Front

What is the unit rate for a proportional relationship if the total cost is $94 for 2 weeks?

Back

The unit rate is $47 per week.

Front

How do you find the constant of proportionality in a proportional relationship?

Back

Front

What is a proportional relationship?

Back

A relationship where two quantities maintain a constant ratio.

Front

How can you identify a proportional relationship from a graph?

Back

A proportional relationship will show a straight line passing through the origin.

Front

What is the meaning of unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together.

Front

What does the constant of proportionality indicate?

Back

It indicates the ratio between the two quantities in a proportional relationship.

Front

How do you determine the cost of multiple items from a graph?

Back

By finding the corresponding y-value for the given x-value on the graph.

Front

What is the significance of the slope in a proportional relationship graph?

Back

The slope represents the constant of proportionality.