Save guides, add subjects and pick up where you left off with your BBC account. To sketch a quadratic function you must first determine the roots, nature and coordinates of the turning point and ...

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 ...