To make a smooth curved line graph in Excel, follow these steps-Enter your data in the spreadsheet and select it to make a graph. Go to the Insert tab and insert a 2-D line graph.

Save guides, add subjects and pick up where you left off with your BBC account. All quadratic functions have the same type of curved graphs with a line of symmetry. The graph of the quadratic ...

Revise how to recognise and determine the equation of a quadratic function from its graph with our guide. Back to top. More on Quizzes - National 5 Maths. Find out more by working through a topic.