True or false: direct and inverse

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   In direct proportion the ratio of corresponding values is constant.

2. Statement is true

   Yes

   Statement

   In inverse proportion the product of corresponding values is constant.

3. Statement is true

   No

   Statement

   In direct proportion the product stays constant.

4. Statement is true

   Yes

   Statement

   In inverse proportion one quantity rises as the other falls.

5. Statement is true

   No

   Statement

   Direct and inverse proportion mean the same thing.

Explanation