True or false about areas

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   A curve below the axis gives a negative integral.

2. Statement is true

   No

   Statement

   An area may be reported as a negative number.

3. Statement is true

   Yes

   Statement

   A vertical strip has area y dx.

4. Statement is true

   No

   Statement

   Regions can only ever be sliced vertically.

5. Statement is true

   Yes

   Statement

   Elementary geometry cannot handle curved regions.

Instructions

Decide whether each statement is true or false.

Explanation