Learn and revise how to solve quadratic equations by factorising, completing the square and using the quadratic formula with Bitesize GCSE Maths Edexcel.

How to Find the Slope of a Line on an Excel Graph. In math and statistics, you may occasionally need to calculate the slope of a line generated by coordinates in the (x,y) format.

How to Find the Tangent on a Graph in Excel. The tangent is defined as the single point where a straight line meets a curved surface. The tangent can be determined with a collection of ...

Find the data you need in an Excel sheet more easily with these functions.

All quadratic functions have the same type of curved graphs with a line of symmetry. The graph of the quadratic function y = a x 2 + b x + c is a smooth curve with one turning point.