For a quadratic equation of the form \(y = k{(x - a)^2} + b\), the following diagram shows the main properties: If k > 0, the vertex is a minimum turning point If k < 0, the vertex is a maximum ...

A linear graph can be drawn using only three points ... in the equation to work out the coordinates. To draw a quadratic graph from an equation: Add up the terms of the quadratic expression ...

Before we look at the new solution, let’s talk about why you want to solve quadratic equations. They are used in many contexts. In ancient times you might use them to determine how much more ...