Identifying Proportional Relationships (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

How can you identify a proportional relationship in a table?

Back

A table shows a proportional relationship if the ratios of corresponding values are the same.

Front

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

Back

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

Front

If A is 6 and B is 9, what is the ratio of A to B?

Back

The ratio of A to B is 6:9, which simplifies to 2:3.

Front

What is the missing value of B if A is 4 and the ratio A:B is 1:2?

Back

The missing value of B is 8.

Front

How do you solve a proportion?

Back

To solve a proportion, cross-multiply the values and set the products equal to each other.

Front

What is the formula for finding a missing value in a proportion?

Back

The formula is a/b = c/d, where you can find the missing value by cross-multiplying.

Front

If Jeff runs 6 miles in 4 hours, what is his speed in miles per hour?

Back

His speed is 1.5 miles per hour.

Front

How many pieces of fruit snacks are in a 10-ounce package if a 6-ounce package contains 45 pieces?

Back

There would be 75 pieces in a 10-ounce package.

Front

What is the definition of a non-proportional relationship?

Back

A non-proportional relationship is when the ratio between two quantities is not constant.