Area Above and Below the X Axis (Signed Area)

This is part of the HSC Mathematics Advanced course under the topic of Integral Calculus: Areas and the definite integral

In this post, we understand the relationship of position to signed areas, namely that the signed area above the horizontal axis is positive and the signed area below the horizontal axis is negative.

Definite Integration Using Geometric Formula (Line Above and Below X-Axis)

Understanding Integration (2 of 2: Signed area)