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 ...

How to Make Your Graph to the Same Scale on a Vertical & Horizontal Axis in Excel. When you create a graph in Excel, the software automatically sizes the X and Y axis lines, so the data you want ...

If the velocity-time graph is curved, the acceleration can be found by calculating the gradient of a tangent to the curve.

Learn about and revise how to use and interpret graphs with this BBC Bitesize GCSE Maths Edexcel study guide.