Proportional Relationships

Front

What makes a graph proportional?

Back

A proportional graph is a straight line that passes through the origin.

Front

Which line shows a proportional relationship between x and y?

Back

Line L shows a proportional relationship.

Front

What is the constant rate of change?

Back

The constant rate of change is $16/day.

Front

How much money does Miguel save per month?

Back

Miguel saves 15 dollars per month.

Front

What is the constant rate of change/unit rate for this graph?

Back

The constant rate of change is 60 miles/1 hour.

Front

Define proportional relationships.

Back

Proportional relationships are relationships between two quantities where the ratio of one quantity to the other is constant.

Front

What is the unit rate?

Back

The unit rate is the ratio of a quantity to one unit of another quantity.

Front

How do you identify a proportional relationship in a table of values?

Back

A proportional relationship in a table shows that the ratios of corresponding values are constant.

Front

What does it mean if a graph does not pass through the origin?

Back

If a graph does not pass through the origin, it is not a proportional relationship.

Front

What is the slope of a proportional relationship?

Back

The slope of a proportional relationship is the constant rate of change.