Inequalities Regions on a Graph - Inequalities Part 3 | GCSE Maths

This video, [Solving Quadratic Equations Graphically | Find Estimates to the Solutions of... | GCSE Maths](https://studio.youtube.com/video/u6Hk..., is broken down into several key sections to help you understand both the "why" and the "how" of solving these equations: *Introduction and Example 1 (00:00 - 01:13):* A quick intro to solving quadratic equations graphically using the graph of $y = x^2 + 4x - 1$. *Deep Explanation: The "Why" (01:14 - 06:05):* An in-depth look at the logic behind this method, explaining how it relates to solving simultaneous equations graphically. This is especially helpful if you're aiming for a grade 7 or above. *Example 1 Recap: Basic Method (06:06 - 08:45):* A simplified, step-by-step breakdown of the first example for those who want a direct "how-to" without the deeper theory. *Example 2: Solving when $y$ is a non-zero number (08:46 - 11:02):* Working through a problem where the equation equals a number other than zero (in this case, 2). *Example 3: Solving with a diagonal line ($y = x$) (11:03 - 13:44):* A more advanced problem where you solve the quadratic by finding where it intersects with the line $y = x$. *Example 4: Rearranging to find a "Suitable Straight Line" (13:45 - 18:27):* The most challenging type of question often found at the end of exam papers. It covers how to rearrange an equation to find the correct straight line to plot on your existing quadratic graph.